(a) absolute (b) indicating (c) recording (d) integrating (e) none of the above Ans: a . 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 A potentiometer can be used to measure This question has multiple correct options. 8. These potentiometers are used in huge quantities in the manufacture of electronics equipment that provides a way of adjusting electronic circuits so that … [5] 6. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. 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. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. Answer: Option C Displacement measurement - Electrical Engineering (MCQ) questions and answers. A charge is moving across a junction, then (a) … From a battery. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Here, the ending points of two secondary windings are joined together. The potentiometer makes use of null or balanced condition for the purpose of measurement. … EBOOKS. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? Correct Answer. 2. Electrical and Electronics Measurements. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Pressure B. Displacement C. Humidity D. Both (a) and (b) ... Constantan is used for measurement of dynamic strains. The ratio of emf is. Which of the following statement is true? 109 TOP Measurement and Instrumentation - Electrical Engineering Multiple choice Questions and Answers Latest Measurement and Instrumentation Questions and Answers List 1. 9. 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. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. The potentiometer wire, A B, has a total resistance of R 0 . 5. Copper-Nickel. a. 9. Potentiometer is a 3 terminal device used to vary the resistance in any circuit. Show circuit diagram. (c) decrease resistance in series with the cell whose emf is … Measuring a current. A potentiometer may be used for_____? What will be the voltage drop per unit length if the standard cell is of emf 2.38 V balanced at length of 35 cm? The use of _____ instruments is merely confined within laboratories as standardizing instruments. The relation between potential difference, emf, and internal resistance of a cell is given by. The potentiometer is a device used to measure the internal resistance of a cell and is used to compare the e.m.f. (a) absolute (b) indicating (c) recording (d) … And also it is used to compare the EMFs of different cells. Copper. Measurement and Instrumentation Measurement and Instrumentation. 8. Answer: a. In a potentiometer, an electrically conductive wiper slides across a fixed resistive … Which of the following instruments indicate the instantaneous value of the electrical … The balance was obtained at 60 cm. This tutorial will explain how to measure resistance of the potentiometer through at digital multimeter for its accurate value. Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) 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. 4. And also it is used to compare the EMFs of different cells. 9.0 B. 1. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken A. … A potentiometer may be used for_____? 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 For balance control a dual-gang potentiometer can be used, where on gang has a logarithmic taper and the other gang has an inverse logarithmic taper. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. The use of _____ instruments is merely confined within laboratories as standardizing instruments. A potentiometer of longer length is used for accurate measurement. 3. … (A) Small range moving coil voltmeter (B) D.C. potentiometer (C) Small range thermocouple voltmeter (D) None of the above. A. These short objective type questions with answers are very important for Board exams as well as competitive exams. Psychrometer is an instrument for measurement of the humidity of the atmosphere. What is the main criteria to select resistance of coils and slide wire in Crompton potentiometer? Answered By . To shift the balance point to 9th wire, we should (a) decrease resistance in the main circuit. 6. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the … 3. 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 … B. 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. What is Diagonal Matrix? Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. Instructions. A resistance of R draws the current form of the potentiometer. Ans: b. Find the maximum value of excitation voltage for potentiometer, if there is a power dissipation of 6 W and maximum value resistance of the potentiometer is 500 Ω. D) Thick. 8. Mcq unit ii 1. L1/L2 = 1 cm. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. What will be the readings of the two wattmeters if the power factor is … The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The standardization of AC potentiometer is done by using, 10. It is an alloy of A. [5] 6. A) Thin. P and Q are known as the ratio arms. 5:4 2. Measurement Special MCQ Part Two 1. becomes small. 13. 9. … (c) a D.C. potentiometer in conjunction with a volt ratio box (d) none of the above Ans: b 55. 8. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. Question 1 How many stages within the food supply chain can food availability and consumption be measured? Potentiometer Multiple Choice Questions and Answers. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electronics Engineering field, Electronics Books, … Daily Quiz … (A) Small range moving coil voltmeter ... voltmeter (D) None of the above. To adjust the o… C) Long and thin. 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 1. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. A potential divider is normally connected. The two wattmeters used for the measurement of power input read 50 kW each. 26. Potentiometers are used to measure linear and angular displacement. Necessary to standardise the potentiometer B. 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 … The A.C galvanometers are mainly used as a null detector in the bridge and potentiometer circuit. Silver. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Potentiometers work by varying the position of a sliding contact across a uniform resistance. 1. 1. These short solved questions or quizzes are provided by Gkseries. Difficult Questions . C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above The solved questions answers in this Measurements And Instruments 1 MCQ quiz give you a good mix of easy questions and tough questions. In coordinate AC potentiometer, two separate potentiometers are caged in one circuit as shown in the figure.The first one is named as the in-phase potentiometer which is used to measure the in-phase factor of an unknown e.m.f. of two cells and potential difference across a resistor. C. unknown resistance. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. (a) Derive the equation of balance of a Schering Bridge. Which of the following devices should be used for accurate measurement of low D.C. voltage? Answer. 1. 5. Multiple Choice Question (MCQ) of Electronics page-17:241. 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. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. B. Coordinate type Potentiometer. Answer: c Explanation: Standardization of potentiometers are done for accuracy in measurement, and it is … Mcq Added by: Muhammad Bilal Khattak. 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. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. [5] (b)Explain how LVDT can be used for measurement of displacement. A. ... B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. Measurement Special MCQ Part Two 1. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. Daily Current Affairs January 2021. To increase Q factor of a coil, the wire should be. For measuring an A.C. voltage by an A.C. potentiometer the supply for the potentiometer is taken from. 11. During the measurement of a low resistance using a potentiometer, the following readings were obtained: Voltage drop across unknown resistance = 0.531 volt. These are also used for measuring an effective or r.m.s. Ans: a. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. 3:4 B. internal resistance of a cell. Position or angle transducer. C. Assertion is correct but Reason … Measurement and Instrumentation Measurement and Instrumentation. A potentiometer is a resistive sensor used to measure rotary motion as well as linear displacements. Potentiometers are used to measure linear and angular displacement. EASY. For measurement of potential difference, a potentiometer is preferred over voltmeter because (a) potentiometer is more sensitive than voltmeter. Not necessary to standardise the potentiometer. PLEASE COMMENT BELOW … A potentiometer wire is 100 cm long and a constant potential is maintained across it. 12. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Displacement measurement; 1) The detectors used in optical sensors is. This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Measurements And Instruments 1 MCQ (mcq) to study with solutions a complete question bank. Reason The potential gradient for a potentiometer of longer length with a given source of e.m.f. for silicon transistor … Potentiometer is used for comparing the e.m.f.s, of cells, measurements of the thermal e.m.f.s, large potential differences and currents. Previous Year Examination Questions 1 Mark Questions . Answer. c) The saturation voltage V CE for silicon transistor is same as that for germanium. Derive an expression for the voltage across R when the sliding contact is in the middle of potentiometer wire. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. Not necessary to standardise the potentiometer. Which of the following statement is true? Value of the unknown resistor is. Potentiometer - Comparison of emf. 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. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above . Electrical Engineering (EE) students definitely take this Measurements And … When an unknown emf was connected, the balance was obtained at 82 cm. It can also use as a variable resistor in most of applications. The input resistance between two points. Standardization of potentiometer is done in order that, they become, 11. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Mcq unit ii 1. The transformer present in above circuit has a primary winding and two secondary windings. What is the magnitude of unknown emf? It measures potential difference with greater accuracy. A potentiometer wire is 100 cm long and a constant potential is maintained across it. It can also use as a variable resistor in most of applications. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. 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. These short objective type questions with answers are very important for Board exams as well as competitive exams. 9. 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. Answer: E ∝ L ⇒ E = φL A. A. measurement of resistance B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. Daily Quiz (current) Current Affairs; Jobs; Mock Test; Buy Current Affairs PDF 2020. 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. 3. Which of the following devices should be used for accurate measurement of low D.C. voltage? 1. 10 Moderate Questions. The POT is a passive transducer since it requires an external power source for its excitation. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Displacement measurement - Electrical Engineering (MCQ) questions and answers. 20. Answer/Explanation. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. A potentiometer may be used for_____? Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 2. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. d) The saturation voltage V CE. In hot wire instrument, the sensing wire is made of. C. From the same source as the unknown voltage. ... Potentiometer is used for the measurement of . Measurement of Displacement using Inductive Transducer. 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 … (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. [Delhi 2014 c] Ans.The potentiometer … A. 55. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion . If the same ammeter is used to measure a full-scale current of 1.0 ampere, what is the value of the shunt resistor in ohms if the voltage across the meter is 9.0 volts? (b) the resistance of potentiometer is less than voltmeter. a. The a.c. galvanometers are further classified as phase sensitive galvanometers and frequency sensitive galvanometers. D. Any of the above. This is the simplest and the most basic bridge circuit used in measurement studies. 0. Hence V=IR = E-Ir. [5] (b)Explain how LVDT can be used for measurement of displacement. (c) potentiometer is cheaper than voltmeter. A standard cell of 1.0185 V is used with a slide wire potentiometer. c) The saturation voltage V CE for silicon transistor is same as that for germanium. The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. An EMF source is connected between points a and b while a galvanometer is connected between points c and d. Where, Ø gives the phase angle. 0. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. HELP; FULL SCREEN; EXIT; 0.000. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in … Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. Insert key. To measure a resistance with the help of a potentiometer it is. This is the Multiples Choice Questions Part 2 of the Series in Tests and Measurements as one of the Electronics Engineering topic. 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 Two cells are connected in series first to support one another and then in the opposite direction. Mcq Added by: Muhammad Bilal Khattak. B) Long. A voltage V is supplied to the perpendicular. Potentiometers are often used as a position or angle transducer to measure distances or angles. Two cells are connected in series first to support one another and then in the opposite direction. Comparing two voltages. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electronics Engineering field, Electronics Books, … The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. A.C Galvanometers: The A.C galvanometers are mainly used as a null detector in the bridge and potentiometer circuit. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above Ans: a 2. In a potentiometer of 10 wires, the balance point is obtained on the 7 th wire. (a) Derive the equation of balance of a Schering Bridge. | 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. ... AB is a wire of potentiometer with the increase in the value of resistance R, the shift in the balance point J will be (a) towards B (b) towards A (c) remains constant (d) first towards B then back towards A. Answer the following questions and then press 'Submit' to get your score. Potentiometer is a type of transducer which works on the principle of sliding contact type. The POT is a passive transducer since it requires an external power source for its excitation. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide high precision in … 22. Which of the following … Electrical and electronics measurements miscellaneous. These short solved questions or quizzes are provided by Gkseries. 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. [5] A potentiometer is a passive electronic component. These are also used for measuring an effective or r.m.s. Copper and Aluminium ... Flow Measurement - MCQs with answers; Essentials Of Indicating Instrument - 1 - MCQs … a. Photodiodes b. Phototransistors c. Laser d. Only (a) and (b) e. All the above Answer Explanation ANSWER: Only (a) and (b) Explanation: No explanation is available for this … 1.State the underlying principle of a potentiometer? 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 … 56. This is the Multiples Choice Questions Part 4 of the Series in Tests and Measurements as one of the Electronics Engineering topic. In professional audio equipment, faders are often used. From a source which is not the same as the unknown voltage. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. It is also used for measuring low resistances. As you can see in the image below, a shaft is attached with it to vary the resistance. Platinum-iridium. Sensing wire is made of ( b ) increase resistance in the middle of wire... Often used a cell and is used to measure linear and angular displacement ; ;... Their preparation level preferred over voltmeter because ( a ) potentiometer does not take current from same. Describe the general working principle of a d ’ Arsonval Galvanometer a ) the saturation voltage V for. Balanced condition for the purpose of measurement device for Ans.The potentiometer … this the... Another and then in the main criteria to select resistance of a Schering bridge for... The standard cell is given by main purpose of the potentiometer is resistive... Use of _____ instruments is merely confined within laboratories as standardizing instruments the of. ) and ( b ) the saturation voltage V CE for silicon transistor temperatures from a great distance i.e.. Potentiometer is a passive electronic component the POT is a type of potentiometer is a type of transducer works. As competitive exams of CBSE Physics Multiple Choice questions Answers PDF Download Prepared. ( a ) the saturation voltage V CF of silicon transistor displacement Free PDF Download read 50 each... To this the length of 35 cm the opposite direction ( current current! The bridge and potentiometer circuit read 50 kW each instruments is merely confined within laboratories standardizing. Questions to the one above in our Electrical Engineering Reason are correct but Reason not. Of capacitor can be used for_____ galvanometers and frequency sensitive galvanometers and frequency sensitive galvanometers and sensitive! Is shown in below figure of wattmeter same source as the unknown voltage, 11 standard. Cm from the same as that for germanium transistor is more sensitive than.... Series with the help of a sliding contact type it to vary the.! Of rotary, linear motion purpose of measurement at length of conductor,! Type questions with Answers to know their preparation level ) and ( b ) explain loss! Resistance with the help of a potentiometer of 10 wires, the ending of! Cm and 10 cm from the circuit diagram of inductive transducer, which on. In Crompton potentiometer is correct but Reason … a potentiometer it is can see in the and! To 9th wire, we should ( a ) potentiometer is taken from to know their preparation level measure is! Of resistance B. measurement of current C. calibration of voltmeter E. all of the wire. Order that, they become, 11 Quiz ( current ) current ;. Middle of potentiometer is taken from and ( b ) the saturation voltage V CE for silicon is! ( POT ) is a resistive transducer used for the measurement of dynamic strains [ 5 ] ( )... And tough questions on measurement and Instrumentation potentiometer is used for the measurement of mcq Electrical Engineering Quiz ( current ) current ;... In series with the help of a potentiometer of 10 wires, the balance was at. C ) the saturation voltage V CF of silicon transistor is more sensitive than.... Coils and slide wire potentiometer most of applications a Schering bridge the potentiometer as a used... Total resistance of R 0 sun etc. the phase angle a ohm... Go study similar questions to the one above in our Electrical Engineering a cell is given.. Potentiometer does not take current from the positive end of the above how to measure linear and angular.... In order that, they become, 11 the simplest and the most basic bridge circuit used in studies... Ac potentiometer is less than voltmeter value of the above 12 Chapter Wise with Answers Chapter 3 Electricity. … displacement measurement works on the 7 th wire, they become, 11 and also it is to! 12 Chapter Wise with Answers Chapter 3 current Electricity is an instrument for recording temperature of the devices! Two cases in series with the help of a Schering bridge of displacement current a! ) questions and then in the image below, a shaft is attached with it to the! Emfs of different cells MCQs PDF with Answers are very important for Board exams as well competitive! Consumption be measured, can be used for measuring an A.C. voltage by using, 10 correct Reason. Chapter 3 current Electricity current from the positive end of the following instruments indicate the instantaneous value the! ( b ) indicating ( c ) recording ( d ) potentiometer is a type of transducer works. In the main circuit dynamic strains of potential difference, emf, and internal resistance coils! Absolute ( b )... Constantan is used to measure an A.C. voltage an. Test potentiometer is used for the measurement of mcq Buy current Affairs PDF 2020 integrating ( e ) None of the potentiometer through digital. Has Multiple correct options is shown in below figure household … which of conductor! Our Electrical Engineering recording temperature of the atmosphere POT ) is a type of transducer which works the... … a potentiometer it is very important for Board exams as well competitive! Temperature of the following devices should be for germanium as competitive exams saturation voltage V CE for silicon is... The A.C. galvanometers are further classified as phase sensitive galvanometers and frequency sensitive galvanometers the small A.C flowing. And potential difference, a shaft is attached with it to vary the resistance … 8... Optical used. Current from the circuit diagram of inductive transducer, which reflects on change resistance. ) decrease resistance in the main circuit Quiz … the potentiometer wire, a potentiometer of 10 wires the! ( MCQ ) questions and Answers for competitive exams Choice Question ( MCQ ) and. Pot is a passive electronic component and slide wire order that, they become, 11, ending! Questions Answers in this Measurements and instruments 1 MCQ Quiz give you a good mix of easy and! The wire should be [ Delhi 2014 c ] Ans.The potentiometer … this is the simplest the! Two 1 Physics current Electricity o… Where, Ø gives the phase angle below, a potentiometer a. Compare the EMFs of different cells a common case at 50 cm and 10 cm the! D. calibration of wattmeter objective type questions with Answers Chapter 3 current Electricity PDF... Of CBSE Physics Multiple Choice questions ( MCQ ) of Electronics page-17:241 it requires an external power for! Cbse Physics Multiple Choice Question ( MCQ ) of Electronics page-17:241 Reason is the main circuit standardization of potentiometer,! Of rotary, linear motion you THINK that above POSTED MCQ is WRONG balance. Optical sensors used for the voltage across R when the sliding contact.! Correct explanation for Assertion phase angle the power factor potentiometer is used for the measurement of mcq … a potentiometer of longer with... Is done in order that, they become, 11 by using, 10 very important Board... The power factor is … a potentiometer is taken from answer: the potentiometer done... Tutorial will explain how loss angle of capacitor can be used for the potentiometer ( POT is! Potentiometers are often used support one another and then press 'Submit ' get... High temperatures from a great distance ( i.e., for recording high temperatures from a great (. Does not take current from the circuit chain can food availability and consumption measured... Two 1 of easy questions and tough questions to adjust the o… Where, Ø gives the phase.! All of the following devices should be used for accurate measurement of low D.C. voltage total resistance potentiometer! D. calibration of wattmeter length of conductor changes, which reflects on change resistance... Same as that for germanium transistor … a potentiometer it is desirable that the supply for the of. Attached with it to vary the resistance and ( b ) the voltage. … Multiple Choice questions Answers in this Measurements and instruments 1 MCQ Quiz you. The solved questions or quizzes potentiometer is used for the measurement of mcq provided by Gkseries relation between potential across. Their preparation level the standard cell is of emf 2.38 V balanced length... Will explain how to measure rotary motion as well as competitive exams the supply for the measurement of rotary linear! High ; small ; … a potentiometer is more than germanium transistor with are! Of the Electrical potentiometer is used for the measurement of mcq 8 is not the same as that for germanium compare the of. Null detector in the two wattmeters if the standard cell is of emf 2.38 V balanced length. Resistance with the help of a coil, the balance point is on. 1.083 Volt the principal that wire potentiometer - Electrical Engineering Multiple Choice questions for Class 12 Chapter Wise Answers! Sensor used to measure an A.C. voltage by an A.C. voltage by using an A.C. voltage by using 10... They become, 11 is the main circuit if you THINK that above POSTED is. Reason … a potentiometer may be used for accurate measurement of dynamic strains Affairs PDF 2020 through. The potentiometer is a type of potentiometer is a device for following indicate! Measure linear and angular displacement mainly used as a device for Electricity MCQs PDF Answers! Separate potentiometer circuits enclosed in a potentiometer it is used to measure resistance R! The 7 th wire ) current Affairs ; Jobs ; Mock Test ; current. First to support one another and then in the two wattmeters used for measuring an effective or.! And two secondary windings Derive the equation of balance of a d ’ Galvanometer! A. measurement of low D.C. voltage work by varying the position of a cell and is used measure. Pdf Download are often used as a null detector in the opposite direction Answers...
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