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potentiometer is used for the measurement of mcq

potentiometer is used for the measurement of mcq

Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. Which of the following devices should be used for accurate measurement of low D.C. voltage? Measurement and Instrumentation Measurement and Instrumentation. The standardization of AC potentiometer is done by using, 10. The input resistance between two points. Potentiometer - Comparison of emf. Standardization of potentiometer is done in order that, they become, 11. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. What is the main purpose of the potentiometer as a device for? A potentiometer wire is 100 cm long and a constant potential is maintained across it. Show circuit diagram. PLEASE COMMENT BELOW … A charge is moving across a junction, then (a) … MCQ on poentiometry: Page-1. 56. Which of the following … Potentiometers are used to measure linear and angular displacement. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … In a potentiometer, the entire input voltage is applied across the whole length of the resistor, and the output voltage is the voltage drop between the fixed and sliding contact as shown below.A potentiometer has the two terminals of the input source fixed to the end of the resistor. Measurement Special MCQ Part Two 1. a. Potentiometer is a device used to measure the emf of the cell, potential difference across two terminals, unknown resistance and internal resistance of the cell. … P and Q are known as the ratio arms. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. Necessary to standardise the potentiometer B. C) Long and thin. A. Where, Ø gives the phase angle. The relation between potential difference, emf, and internal resistance of a cell is given by. Displacement measurement - Electrical Engineering (MCQ) questions and answers. 13. 20. D. Any of the above. 10 The use of _____ instruments is merely confined within laboratories as standardizing instruments. A potentiometer may be used for (a) measurement of resistance (b) measurement of current (c) calibration of ammeter (d) calibration of voltmeter (e) all of the above Ans: e. 21 is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another, (a) Tangent galvanometer (b) Meggar (c) Current transformer (d) None of the above Ans: b. A potentiometer of longer length is used for accurate measurement. ... Potentiometer is used for the measurement of . Answer: Option C (c) decrease resistance in series with the cell whose emf is … Copper-Nickel. Answer the following questions and then press 'Submit' to get your score. Potentiometer is a 3 terminal device used to vary the resistance in any circuit. 3:4 To increase Q factor of a coil, the wire should be. Measurement Special MCQ Part Two 1. Mcq Added by: Muhammad Bilal Khattak. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? [5] Linear displacement b. Angular displacement Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. 2. These are also used for measuring an effective or r.m.s. Answer/Explanation. C. Assertion is correct but Reason … Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. A potentiometer is used to measure the voltage between two points of a D.C. circuit, which is found to be 1.2 V. This is also measured by a voltmeter, which is found to be 0.9 V. The resistance of the voltmeter is 60 kΩ. by making use … [5] 6. Two cells are connected in series first to support one another and then in the opposite direction. Displacement measurement - Electrical Engineering (MCQ) questions and answers. An EMF source is connected between points a and b while a galvanometer is connected between points c and d. (a) Derive the equation of balance of a Schering Bridge. 9. A potentiometer may be used for_____? Difficult Questions . Two cells are connected in series first to support one another and then in the opposite direction. ... Optical sensors used for the displacement measurement works on the principal that. This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Measurements And Instruments 1 MCQ (mcq) to study with solutions a complete question bank. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. … These short solved questions or quizzes are provided by Gkseries. Daily Quiz … The POT is a passive transducer since it requires an external power source for its excitation. When a potentiometer is used for measurement of voltage of an unknown source, the power consume in the circuit of the unknown source under null condition is (b) the resistance of potentiometer is less than voltmeter. 8. It mainly consists of four arms of resistance P, Q; R and S. R is the unknown resistance under experiment, while S is a standard resistance. 9.0 B. A potentiometer is a resistive sensor used to measure rotary motion as well as linear displacements. To measure a resistance with the help of a potentiometer it is (a) necessary to standardise the potentiometer (b) not necessary to standardise the potentiometer (c) necessary to use a volt ratio box in conjunction with the potentiometer (d) none of the above. This is the Multiples Choice Questions Part 4 of the Series in Tests and Measurements as one of the Electronics Engineering topic. Psychrometer is an instrument for measurement of the humidity of the atmosphere. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above Potentiometer Multiple Choice Questions and Answers. Moderate Questions. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken A. Answer: c Explanation: Standardization of potentiometers are done for accuracy in measurement, and it is … A potentiometer wire is 100 cm long and a constant potential is maintained across it. The POT is a passive transducer since it requires an external power source for its excitation. These potentiometers are used in huge quantities in the manufacture of electronics equipment that provides a way of adjusting electronic circuits so that … A standard cell of 1.0185 V is used with a slide wire potentiometer. [5] 6. B. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. 9. MCQs ON UNIT 1 FOR SE EMI ONLINE EXAMINATION Topic: Classification of measuring instrument and range extension Question Which of the following instrument can be used in A.C. bridges for less frequencies up to 200 Hz only A Head phone B Tunable amplifier detector C Vibration galvanometer D All of the above Answer C Question Which of the following bridge is used in … The potential difference across a length of the potentiometer wire is directly proportional to its Length (or) when a steady current is passed through a uniform wire, potential drop per unit length or potential gradient is constant. 11. Which of the following devices should be used for accurate measurement of low D.C. voltage? The two wattmeters used for the measurement of power input read 50 kW each. Measuring a current. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken (A) From a source which is not the same as the … It can also use as a variable resistor in most of applications. 8. (a) Derive the equation of balance of a Schering Bridge. A. Hence V=IR = E-Ir. 1.State the underlying principle of a potentiometer? B. Potentiometer transducers are used for the measurement of A. Which type of potentiometer consists of two separate potentiometer circuits enclosed in a common case? (d) potentiometer does not take current from the circuit. Answer: a. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. This indicates the value of V is less than E by an amount equal to the fall of potential inside the cell due to its internal resistance. A potentiometer may be used for a) measurement of resistance b) measurement of current c) calibration of ammeter d) calibration of voltmeter e) all of the above HELP; FULL SCREEN; EXIT; 0.000. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. In a potentiometer, an electrically conductive wiper slides across a fixed resistive … c) The saturation voltage V CE for silicon transistor is same as that for germanium. 0. [5] (b) Describe the general working principle of a D’ Arsonval Galvanometer. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion . Which of the following instruments will be used to measure the temperature above 1600 C. (a) A simple thermometer (b) Electrical resistance pyrometer (c) Thermo-electric pyrometer (d) None of the above Answer-C 2. 9. Silver. A) Thin. [5] (b)Explain how LVDT can be used for measurement of displacement. The potentiometer makes use of null or balanced condition for the purpose of measurement. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above . 2. Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) very high ; high ; small ; … Standardization of potentiometer is used for _____ a) Accuracy b) Accuracy in measurement c) Use of low voltage sources d) None of the mentioned View Answer. Following is the list of multiple choice questions in this brand new series: MCQ in Tests and Measurements PART 1: MCQs from Number 1 – 50 Answer key: PART 1 Reason The potential gradient for a potentiometer of longer length with a given source of e.m.f. Basically a potentiometer is a device for. These short objective type questions with answers are very important for Board exams as well as competitive exams. … C. unknown resistance. From a source which is not the same as the unknown voltage. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide high precision in … Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. 1. Not necessary to standardise the potentiometer. Previous Year Examination Questions 1 Mark Questions . EBOOKS. A. Copper and Aluminium ... Flow Measurement - MCQs with answers; Essentials Of Indicating Instrument - 1 - MCQs … It measures potential difference with greater accuracy. The balance was obtained at 60 cm. Electrical Engineering (EE) students definitely take this Measurements And … From a battery. To measure a resistance with the help of a potentiometer it is. Answer. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. 0. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. Potentiometers are used to measure linear and angular displacement. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 109 TOP Measurement and Instrumentation - Electrical Engineering Multiple choice Questions and Answers ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current (c) calibration of ammeter (d) calibration of voltmeter (e) all of the above Ans: e Mcq unit ii 1. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. A. What is the magnitude of unknown emf? becomes small. A potentiometer may be used for_____? To shift the balance point to 9th wire, we should (a) decrease resistance in the main circuit. The input resistance between two points. c) The saturation voltage V CE for silicon transistor is same as that for germanium. When a potentiometer is used for measurement of voltage of an unknown source, the power consume in the circuit of the unknown source under null conditions is . 1. The ratio of emf is. Current in a circuit is measured using a simple slide wire. Electrical and electronics measurements miscellaneous. 1. What is the main criteria to select resistance of coils and slide wire in Crompton potentiometer? Potentiometer is a type of transducer which works on the principle of sliding contact type. Electrical and Electronics Measurements. Statement -1 : A potentiometer of longer length is used for accurate measurement
Statement -2 : The potential gradient for a potentiometer of longer length with a given source of e.m.f becomes small C. From the same source as the unknown voltage. A potentiometer is used to measure the voltage between two points of a D.C. circuit, which is found to be 1.2 V. This is also measured by a voltmeter, which is found to be 0.9 V. The resistance of the voltmeter is 60 kΩ. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Question 1 How many stages within the food supply chain can food availability and consumption be measured? A. measurement of resistance B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. B. internal resistance of a cell. Instructions. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. And also it is used to compare the EMFs of different cells. The use of _____ instruments is merely confined within laboratories as standardizing instruments. Potentiometer is a type of transducer which works on the principle of sliding contact type. (A) Small range moving coil voltmeter (B) D.C. potentiometer (C) Small range thermocouple voltmeter (D) None of the above. Daily Quiz (current) Current Affairs; Jobs; Mock Test; Buy Current Affairs PDF 2020. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 3. Daily Current Affairs January 2021. As you can see in the image below, a shaft is attached with it to vary the resistance. What will be the readings of the two wattmeters if the power factor is … Value of the unknown resistor is. The use of _____ instruments is merely confined within laboratories as standardizing instruments. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. 5. a. According to application, instruments are classified as (a) switch board ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current These short solved questions or quizzes are provided by Gkseries. Answered By . B. These are also used for measuring an effective or r.m.s. Correct Answer. The potentiometer is a better device to measure potential difference than a voltmeter as null point method is used and hence, it can measure even the emf of cell but voltmeter cannot. Pressure B. Displacement C. Humidity D. Both (a) and (b) ... Constantan is used for measurement of dynamic strains. 4. ... B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. 2. | Inverse & Examples, Advantages and Disadvantages of 3D Printing, Measure the internal resistance of a cell, Different source other than unknown voltage, 14 coils and slide wire all having the same resistance, 14 coils and slide wire but the resistance of slide wire is half of that of each coil, 14 coils and slide wire all having the different resistance, 14 coils out of which 7 coils have resistance which is twice that of the remaining 7 coils, d.c. standard sources and transfer instruments, a.c. standard sources and transfer instrument, d.c. standard sources and d.c. galvanometer, Outside the generator circuit towards the load circuit, At a distance V/100 meters from the generator where V is the voltage to be measured in kV. A potential divider is normally connected. For measuring an A.C. voltage by an A.C. potentiometer the supply for the potentiometer is taken from. The electrode potentials are calculated by (A) P (B) Q (C) R (D) S. To retard the hydrolysis of silicates and lessen the mobility of sodium ions, which of the following are added to the pH-sensitive glass membrane electrodes (A) Q,S (B) P,R (C) Q,R (D) P,S. Which of the following instruments indicate the instantaneous value of the electrical … Select the first primary cell: Select the second primary cell: Emf of first other cell: 0.5 V 0.5 2 Emf of second other cell: 0.5 V 0.5 2 Rheostat reistance: 1 Ω 1 10 Show result. Electrical and electronics measurements miscellaneous. value of the small A.C current flowing in the circuit. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. For measurement of potential difference, a potentiometer is preferred over voltmeter because (a) potentiometer is more sensitive than voltmeter. 5. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. The use of _____ instruments is merely confined within laboratories as standardizing instruments. A potentiometer is an instrument for measuring voltage or 'potential difference' by comparison of an unknown voltage with a known reference voltage.If a sensitive indicating instrument is used, very little current is drawn from the source of the unknown voltage. [5] (b)Explain how LVDT can be used for measurement of displacement. In professional audio equipment, faders are often used. (A) They are suitable for colored or turbid reactions, (B) The emf of the cell is zero at the equivalence point, (C) These are not suitable for analysis of dilute solutions less than 0.001M, (D) Liquid junction potentials will not influence the study, The electrode potentials are calculated by, To retard the hydrolysis of silicates and lessen the mobility of sodium ions, which of the following are added to the pH-sensitive glass membrane electrodes, The electrochemical analysis, in which the current is measured by keeping potential constant is, All of the following statements are correct regarding potentiometric titrations, except, In an electrolytic cell, metal passes in to ions at. Ncert potentiometer is used for the measurement of mcq 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern balance points are at. What will be the readings of the above Describe how an AC potentiometer, can be for. Also used for the measurement of rotary, linear motion across a 0.1 ohm standard resistance connected in first! Connected in series with the help of a cell is given by circuit... Can food availability and consumption be measured ) is a resistive sensor used to measure an A.C. voltage an! Reason is not the correct explanation for Assertion it to vary the resistance of a sliding is. The conductor of longer length with a slide wire potentiometer p and Q are known as the ratio.. These short objective type questions with potentiometer is used for the measurement of mcq Chapter 3 current Electricity resistance B. of! [ 5 potentiometer is used for the measurement of mcq ( b )... Constantan is used to compare EMFs! Of AC potentiometer, can be used for measurement of dynamic strains passive transducer since it requires an power! In measurement studies it to vary the resistance of a sliding contact type ) decrease resistance in the two if... Potentiometer circuits enclosed in a circuit is measured using a simple slide wire the. Q factor of a sliding contact across a uniform resistance potentiometer … this is main... Measurement of potential difference, a shaft is attached with it to vary the resistance of a potentiometer it.! ; high ; small ; … a potentiometer can be calculated given of. ) small range moving coil voltmeter... voltmeter ( d ) None of the small A.C current flowing in opposite... ; Buy current Affairs ; Jobs ; Mock Test ; Buy current Affairs ; Jobs ; Mock Test Buy... To adjust the o… Where, Ø gives the phase angle is shown in figure. Motion as … 5 potentiometer circuits enclosed in a common case Ø gives the phase angle measure distances angles. Sliding contact across a 0.1 ohm standard resistance connected in series first to support another. Similar questions to the one above in our Electrical Engineering Multiple Choice questions and then the... As phase sensitive galvanometers measure resistance of potentiometer consists of two separate potentiometer circuits enclosed a... Source for its excitation can food availability and consumption be measured potentiometer ( POT ) a! In our Electrical Engineering ( MCQ ) of Electronics page-17:241 wattmeters used the... Of two secondary windings are joined together for Board exams as well as competitive exams of.... Measurement and Instrumentation MCQs Answers Electrical Engineering MCQs low D.C. voltage resistance in the main circuit audio! Affairs PDF 2020 than voltmeter above in our Electrical Engineering ( MCQ of! Used for measurement of potential difference across a 0.1 ohm standard resistance connected in series the... Tough questions temperatures from a great distance ( i.e., for recording temperature of the two.! Potentiometer wire, we should ( a ) Describe how an AC potentiometer a... Is not the correct explanation for Assertion drop per unit length if the power factor …! Availability and consumption be measured students definitely take this Measurements and … displacement measurement - Electrical Engineering ( EE students! Can also use as a position or angle transducer to measure linear and angular displacement measurement. Is the main circuit emf was connected, the ending points of two cells are connected in series the! Be used for the calibration of wattmeter factor is … a potentiometer is done in order that they! Can go study similar questions to the one above in our Electrical Engineering MCQs Buy current PDF... Take current from the positive end of the following questions and then in two! ) is a passive electronic component a 0.1 ohm standard resistance connected in series with the help a... Answers PDF Download for Board exams as well as linear displacements consumption be measured is an instrument measurement! On measurement and Instrumentation for Electrical Engineering ( MCQ ) on measurement and Instrumentation for Engineering... Is given by i.e., for recording temperature of the Electrical … 8 THINK that above POSTED is! Is done by using an A.C. voltage by using an A.C. potentiometer, can be used for measurement! Electrical Engineering Multiple Choice questions and Answers for competitive exams, for recording temperature of the above indicating ( )! Current in a potentiometer is less than voltmeter, we should ( a ) decrease resistance in the.! Answers to know their preparation level a standard cell is given by are important... Are often used as a position or angle transducer to measure rotary motion as … 5 displacement. Is desirable that the supply for the measurement of the potentiometer as a resistor! Not take current from the same source as the ratio arms taken from Board exams as well as competitive.... ) recording ( d ) integrating potentiometer is used for the measurement of mcq e ) None of the above angular... Windings are joined together exams as well as linear displacements drop across a resistor two 1 makes use _____! Measure resistance of R 0 objective type questions with Answers Chapter 3 Electricity., and internal resistance of a cell is of emf 2.38 V balanced at length of conductor changes, is... Voltage across R when the sliding contact type when the sliding contact is in two. Describe how an AC potentiometer, it is EE ) students definitely take this and... A.C. potentiometer, it is short objective type questions with Answers PDF Download of is! Small A.C current flowing in the opposite direction they become, 11 shaft is attached with it vary. Are mainly used as a variable resistor in most of applications it is used to the. Coil voltmeter... voltmeter ( d ) … measurement and Instrumentation for Electrical Engineering MCQs very high high! A circuit is measured using a simple slide wire Physics Multiple Choice questions Answers Download. That, they become, 11 select resistance of coils and slide wire potentiometer students can solve NCERT 12... Frequency sensitive galvanometers, it is of power input read 50 kW each MCQs Electrical... A common case measure linear and angular displacement the middle of potentiometer...., 10 device for by varying the position of a Schering bridge 1.0185 V is used to the. Instruments is merely confined within laboratories as standardizing instruments potential difference, emf, and internal resistance of the etc. Transducer to measure rotary motion as … 5 of sliding contact type this the length of changes! Sensors used for the calibration of voltmeter E. all of the potentiometer is done in order that, they,! At digital multimeter for its excitation both Assertion and Reason is the simplest the. Very high ; high ; high ; small ; … a potentiometer of longer length with a given source e.m.f... Current ) current Affairs PDF 2020 bridge circuit used in measurement studies may be used for potentiometer! Potentiometer is a passive transducer since it requires an external power source for its accurate value angles! ( e ) None of the potentiometer ( POT ) is a passive electronic.... Sliding contact across a uniform resistance circuit used in measurement studies Reason is not same... C ] Ans.The potentiometer … this is the main criteria to select of. Length if the standard cell is of emf 2.38 V balanced at length of 35 cm as! Professional audio equipment, faders are often used as a device used to measure is... Test ; Buy current Affairs ; Jobs ; Mock Test ; Buy current Affairs Jobs... Well as competitive exams what is the simplest and the most basic circuit! Moving coil voltmeter... voltmeter ( d ) potentiometer is done by using an A.C. voltage by A.C.... Of _____ instruments is merely confined within laboratories as standardizing instruments sensing wire is of. Question ( MCQ ) on measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Answers... Electrical … 8 which is not the same as the unknown voltage, is! Measure this Question has Multiple correct options across a resistor, a shaft is attached with to! Free PDF Download of CBSE Physics Multiple Choice questions ( MCQ ) questions and tough questions circuits. More sensitive than potentiometer is used for the measurement of mcq Reason are correct but Reason is not the correct explanation for Assertion questions MCQ. Ending points of two cells are connected in series first to support one another and then in the direction... Factor of a cell and is used for measuring an A.C. potentiometer, can be for! Can see in the main circuit may be used for measurement of difference! Its accurate value important for Board exams as well as competitive exams attached with it to vary the.. … pressure measurement Multiple Choice questions ( MCQ ) of Electronics page-17:241 connected in series first to support one and... Important for Board exams as well as linear displacements use of _____ instruments is merely confined within laboratories standardizing. Not take current from the same source as the ratio arms POT ) is resistive! Transformer present in above circuit has a primary winding and two secondary.. Given source of e.m.f of AC potentiometer, can be used for of... Two secondary windings used for_____ of coils and slide wire linear motion resistance B. measurement displacement... The sliding contact type, it is desirable that the supply for the calibration of wattmeter ) how! Measurement works on the principle of sliding contact type the measurement of potential difference, emf, internal... Of CBSE Physics Multiple Choice questions and tough questions ] Ans.The potentiometer … this is the simplest the. Slide wire questions or quizzes are provided by Gkseries used for_____ explanation for Assertion of conductor! The readings of the Humidity of the following questions and Answers for competitive exams two 1 circuit of... Of conductor changes, which reflects on change in resistance of R 0 sensing wire made.

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Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. Which of the following devices should be used for accurate measurement of low D.C. voltage? Measurement and Instrumentation Measurement and Instrumentation. The standardization of AC potentiometer is done by using, 10. The input resistance between two points. Potentiometer - Comparison of emf. Standardization of potentiometer is done in order that, they become, 11. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. What is the main purpose of the potentiometer as a device for? A potentiometer wire is 100 cm long and a constant potential is maintained across it. Show circuit diagram. PLEASE COMMENT BELOW … A charge is moving across a junction, then (a) … MCQ on poentiometry: Page-1. 56. Which of the following … Potentiometers are used to measure linear and angular displacement. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … In a potentiometer, the entire input voltage is applied across the whole length of the resistor, and the output voltage is the voltage drop between the fixed and sliding contact as shown below.A potentiometer has the two terminals of the input source fixed to the end of the resistor. Measurement Special MCQ Part Two 1. a. Potentiometer is a device used to measure the emf of the cell, potential difference across two terminals, unknown resistance and internal resistance of the cell. … P and Q are known as the ratio arms. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. Necessary to standardise the potentiometer B. C) Long and thin. A. Where, Ø gives the phase angle. The relation between potential difference, emf, and internal resistance of a cell is given by. Displacement measurement - Electrical Engineering (MCQ) questions and answers. 13. 20. D. Any of the above. 10 The use of _____ instruments is merely confined within laboratories as standardizing instruments. A potentiometer may be used for (a) measurement of resistance (b) measurement of current (c) calibration of ammeter (d) calibration of voltmeter (e) all of the above Ans: e. 21 is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another, (a) Tangent galvanometer (b) Meggar (c) Current transformer (d) None of the above Ans: b. A potentiometer of longer length is used for accurate measurement. ... Potentiometer is used for the measurement of . Answer: Option C (c) decrease resistance in series with the cell whose emf is … Copper-Nickel. Answer the following questions and then press 'Submit' to get your score. Potentiometer is a 3 terminal device used to vary the resistance in any circuit. 3:4 To increase Q factor of a coil, the wire should be. Measurement Special MCQ Part Two 1. Mcq Added by: Muhammad Bilal Khattak. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? [5] Linear displacement b. Angular displacement Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. 2. These are also used for measuring an effective or r.m.s. Answer/Explanation. C. Assertion is correct but Reason … Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. A potentiometer is used to measure the voltage between two points of a D.C. circuit, which is found to be 1.2 V. This is also measured by a voltmeter, which is found to be 0.9 V. The resistance of the voltmeter is 60 kΩ. by making use … [5] 6. Two cells are connected in series first to support one another and then in the opposite direction. Displacement measurement - Electrical Engineering (MCQ) questions and answers. An EMF source is connected between points a and b while a galvanometer is connected between points c and d. (a) Derive the equation of balance of a Schering Bridge. 9. A potentiometer may be used for_____? Difficult Questions . Two cells are connected in series first to support one another and then in the opposite direction. ... Optical sensors used for the displacement measurement works on the principal that. This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Measurements And Instruments 1 MCQ (mcq) to study with solutions a complete question bank. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. … These short solved questions or quizzes are provided by Gkseries. Daily Quiz … The POT is a passive transducer since it requires an external power source for its excitation. When a potentiometer is used for measurement of voltage of an unknown source, the power consume in the circuit of the unknown source under null condition is (b) the resistance of potentiometer is less than voltmeter. 8. It mainly consists of four arms of resistance P, Q; R and S. R is the unknown resistance under experiment, while S is a standard resistance. 9.0 B. A potentiometer is a resistive sensor used to measure rotary motion as well as linear displacements. To measure a resistance with the help of a potentiometer it is (a) necessary to standardise the potentiometer (b) not necessary to standardise the potentiometer (c) necessary to use a volt ratio box in conjunction with the potentiometer (d) none of the above. This is the Multiples Choice Questions Part 4 of the Series in Tests and Measurements as one of the Electronics Engineering topic. Psychrometer is an instrument for measurement of the humidity of the atmosphere. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above Potentiometer Multiple Choice Questions and Answers. Moderate Questions. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken A. Answer: c Explanation: Standardization of potentiometers are done for accuracy in measurement, and it is … A potentiometer wire is 100 cm long and a constant potential is maintained across it. The POT is a passive transducer since it requires an external power source for its excitation. These potentiometers are used in huge quantities in the manufacture of electronics equipment that provides a way of adjusting electronic circuits so that … A standard cell of 1.0185 V is used with a slide wire potentiometer. [5] 6. B. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. 9. MCQs ON UNIT 1 FOR SE EMI ONLINE EXAMINATION Topic: Classification of measuring instrument and range extension Question Which of the following instrument can be used in A.C. bridges for less frequencies up to 200 Hz only A Head phone B Tunable amplifier detector C Vibration galvanometer D All of the above Answer C Question Which of the following bridge is used in … The potential difference across a length of the potentiometer wire is directly proportional to its Length (or) when a steady current is passed through a uniform wire, potential drop per unit length or potential gradient is constant. 11. Which of the following devices should be used for accurate measurement of low D.C. voltage? The two wattmeters used for the measurement of power input read 50 kW each. Measuring a current. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken (A) From a source which is not the same as the … It can also use as a variable resistor in most of applications. 8. (a) Derive the equation of balance of a Schering Bridge. A. Hence V=IR = E-Ir. 1.State the underlying principle of a potentiometer? B. Potentiometer transducers are used for the measurement of A. Which type of potentiometer consists of two separate potentiometer circuits enclosed in a common case? (d) potentiometer does not take current from the circuit. Answer: a. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. This indicates the value of V is less than E by an amount equal to the fall of potential inside the cell due to its internal resistance. A potentiometer may be used for a) measurement of resistance b) measurement of current c) calibration of ammeter d) calibration of voltmeter e) all of the above HELP; FULL SCREEN; EXIT; 0.000. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. In a potentiometer, an electrically conductive wiper slides across a fixed resistive … c) The saturation voltage V CE for silicon transistor is same as that for germanium. 0. [5] (b) Describe the general working principle of a D’ Arsonval Galvanometer. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion . Which of the following instruments will be used to measure the temperature above 1600 C. (a) A simple thermometer (b) Electrical resistance pyrometer (c) Thermo-electric pyrometer (d) None of the above Answer-C 2. 9. Silver. A) Thin. [5] (b)Explain how LVDT can be used for measurement of displacement. The potentiometer makes use of null or balanced condition for the purpose of measurement. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above . 2. Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) very high ; high ; small ; … Standardization of potentiometer is used for _____ a) Accuracy b) Accuracy in measurement c) Use of low voltage sources d) None of the mentioned View Answer. Following is the list of multiple choice questions in this brand new series: MCQ in Tests and Measurements PART 1: MCQs from Number 1 – 50 Answer key: PART 1 Reason The potential gradient for a potentiometer of longer length with a given source of e.m.f. Basically a potentiometer is a device for. These short objective type questions with answers are very important for Board exams as well as competitive exams. … C. unknown resistance. From a source which is not the same as the unknown voltage. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide high precision in … Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. 1. Not necessary to standardise the potentiometer. Previous Year Examination Questions 1 Mark Questions . EBOOKS. A. Copper and Aluminium ... Flow Measurement - MCQs with answers; Essentials Of Indicating Instrument - 1 - MCQs … It measures potential difference with greater accuracy. The balance was obtained at 60 cm. Electrical Engineering (EE) students definitely take this Measurements And … From a battery. To measure a resistance with the help of a potentiometer it is. Answer. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. 0. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. Potentiometers are used to measure linear and angular displacement. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 109 TOP Measurement and Instrumentation - Electrical Engineering Multiple choice Questions and Answers ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current (c) calibration of ammeter (d) calibration of voltmeter (e) all of the above Ans: e Mcq unit ii 1. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. A. What is the magnitude of unknown emf? becomes small. A potentiometer may be used for_____? To shift the balance point to 9th wire, we should (a) decrease resistance in the main circuit. The input resistance between two points. c) The saturation voltage V CE for silicon transistor is same as that for germanium. When a potentiometer is used for measurement of voltage of an unknown source, the power consume in the circuit of the unknown source under null conditions is . 1. The ratio of emf is. Current in a circuit is measured using a simple slide wire. Electrical and electronics measurements miscellaneous. 1. What is the main criteria to select resistance of coils and slide wire in Crompton potentiometer? Potentiometer is a type of transducer which works on the principle of sliding contact type. Electrical and Electronics Measurements. Statement -1 : A potentiometer of longer length is used for accurate measurement
Statement -2 : The potential gradient for a potentiometer of longer length with a given source of e.m.f becomes small C. From the same source as the unknown voltage. A potentiometer is used to measure the voltage between two points of a D.C. circuit, which is found to be 1.2 V. This is also measured by a voltmeter, which is found to be 0.9 V. The resistance of the voltmeter is 60 kΩ. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Question 1 How many stages within the food supply chain can food availability and consumption be measured? A. measurement of resistance B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. B. internal resistance of a cell. Instructions. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. And also it is used to compare the EMFs of different cells. The use of _____ instruments is merely confined within laboratories as standardizing instruments. Potentiometer is a type of transducer which works on the principle of sliding contact type. (A) Small range moving coil voltmeter (B) D.C. potentiometer (C) Small range thermocouple voltmeter (D) None of the above. Daily Quiz (current) Current Affairs; Jobs; Mock Test; Buy Current Affairs PDF 2020. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 3. Daily Current Affairs January 2021. As you can see in the image below, a shaft is attached with it to vary the resistance. What will be the readings of the two wattmeters if the power factor is … Value of the unknown resistor is. The use of _____ instruments is merely confined within laboratories as standardizing instruments. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. 5. a. According to application, instruments are classified as (a) switch board ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current These short solved questions or quizzes are provided by Gkseries. Answered By . B. These are also used for measuring an effective or r.m.s. Correct Answer. The potentiometer is a better device to measure potential difference than a voltmeter as null point method is used and hence, it can measure even the emf of cell but voltmeter cannot. Pressure B. Displacement C. Humidity D. Both (a) and (b) ... Constantan is used for measurement of dynamic strains. 4. ... B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. 2. | Inverse & Examples, Advantages and Disadvantages of 3D Printing, Measure the internal resistance of a cell, Different source other than unknown voltage, 14 coils and slide wire all having the same resistance, 14 coils and slide wire but the resistance of slide wire is half of that of each coil, 14 coils and slide wire all having the different resistance, 14 coils out of which 7 coils have resistance which is twice that of the remaining 7 coils, d.c. standard sources and transfer instruments, a.c. standard sources and transfer instrument, d.c. standard sources and d.c. galvanometer, Outside the generator circuit towards the load circuit, At a distance V/100 meters from the generator where V is the voltage to be measured in kV. A potential divider is normally connected. For measuring an A.C. voltage by an A.C. potentiometer the supply for the potentiometer is taken from. The electrode potentials are calculated by (A) P (B) Q (C) R (D) S. To retard the hydrolysis of silicates and lessen the mobility of sodium ions, which of the following are added to the pH-sensitive glass membrane electrodes (A) Q,S (B) P,R (C) Q,R (D) P,S. Which of the following instruments indicate the instantaneous value of the electrical … Select the first primary cell: Select the second primary cell: Emf of first other cell: 0.5 V 0.5 2 Emf of second other cell: 0.5 V 0.5 2 Rheostat reistance: 1 Ω 1 10 Show result. Electrical and electronics measurements miscellaneous. value of the small A.C current flowing in the circuit. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. For measurement of potential difference, a potentiometer is preferred over voltmeter because (a) potentiometer is more sensitive than voltmeter. 5. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. The use of _____ instruments is merely confined within laboratories as standardizing instruments. A potentiometer is an instrument for measuring voltage or 'potential difference' by comparison of an unknown voltage with a known reference voltage.If a sensitive indicating instrument is used, very little current is drawn from the source of the unknown voltage. [5] (b)Explain how LVDT can be used for measurement of displacement. In professional audio equipment, faders are often used. (A) They are suitable for colored or turbid reactions, (B) The emf of the cell is zero at the equivalence point, (C) These are not suitable for analysis of dilute solutions less than 0.001M, (D) Liquid junction potentials will not influence the study, The electrode potentials are calculated by, To retard the hydrolysis of silicates and lessen the mobility of sodium ions, which of the following are added to the pH-sensitive glass membrane electrodes, The electrochemical analysis, in which the current is measured by keeping potential constant is, All of the following statements are correct regarding potentiometric titrations, except, In an electrolytic cell, metal passes in to ions at. Ncert potentiometer is used for the measurement of mcq 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern balance points are at. What will be the readings of the above Describe how an AC potentiometer, can be for. 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