potentiometer is used for the measurement of mcq

of two cells and potential difference across a resistor. Measurement and Instrumentation Measurement and Instrumentation. 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. by making use … Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. The A.C galvanometers are mainly used as a null detector in the bridge and potentiometer circuit. becomes small. 2. Potentiometers are often used as a position or angle transducer to measure distances or angles. Electrical and electronics measurements miscellaneous. Copper. Insert key. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above Ans: a . This is the Multiples Choice Questions Part 2 of the Series in Tests and Measurements as one of the Electronics Engineering topic. Here, the ending points of two secondary windings are joined together. Daily Current Affairs January 2021. A. C) Long and thin. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 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. … Where, Ø gives the phase angle. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the … Basically a potentiometer is a device for. The ratio of emf is. These are also used for measuring an effective or r.m.s. The solved questions answers in this Measurements And Instruments 1 MCQ quiz give you a good mix of easy questions and tough questions. Difficult Questions . A potentiometer may be used for_____? What is the magnitude of unknown emf? And also it is used to compare the EMFs of different cells. D. potential difference across a resistor. Comparing two voltages. Answer: To adjust the o… A. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. 3:4 8. c) The saturation voltage V CE for silicon transistor is same as that for germanium. The input resistance between two points. 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 Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) 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. Current in a circuit is measured using a simple slide wire. MCQ on poentiometry: Page-1. A potentiometer wire is 100 cm long and a constant potential is maintained across it. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above 56. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. 2. Not necessary to standardise the potentiometer. Derive an expression for the voltage across R when the sliding contact is in the middle of potentiometer wire. Mcq Added by: Muhammad Bilal Khattak. Answer. HELP; FULL SCREEN; EXIT; 0.000. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Psychrometer is an instrument for measurement of the humidity of the atmosphere. [5] 7. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 3 Current Electricity. B. … A potentiometer is a resistive sensor used to measure rotary motion as well as linear displacements. Measurement Special MCQ Part Two 1. Answer: c Explanation: Standardization of potentiometers are done for accuracy in measurement, and it is … for silicon transistor … (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Linear displacement b. Angular displacement You can go study similar questions to the one above in our electrical engineering MCQs.. 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. (a) absolute (b) indicating (c) recording (d) … 9. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above Ans: a 2. 1. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. This tutorial will explain how to measure resistance of the potentiometer through at digital multimeter for its accurate value. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken A. 1. The potentiometer makes use of null or balanced condition for the purpose of measurement. [Delhi 2014 c] Ans.The potentiometer … [5] The input resistance between two points. C. Assertion is correct but Reason … To shift the balance point to 9th wire, we should (a) decrease resistance in the main circuit. Moderate Questions. A potentiometer is a passive electronic component. These short objective type questions with answers are very important for Board exams as well as competitive exams. When an unknown emf was connected, the balance was obtained at 82 cm. 5. 3. The relation between potential difference, emf, and internal resistance of a cell is given by. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. (A) Small range moving coil voltmeter (B) D.C. potentiometer (C) Small range thermocouple voltmeter (D) None of the above. Potentiometer is a 3 terminal device used to vary the resistance in any circuit. 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? 0. 3. 9. A. c) The saturation voltage V CE for silicon transistor is same as that for germanium. Measuring a current. The use of _____ instruments is merely confined within laboratories as standardizing instruments. 1. Mcq unit ii 1. Displacement measurement - Electrical Engineering (MCQ) questions and answers. A. 1. A. 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. From a source which is not the same as the unknown voltage. 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 household … (b) increase resistance in the main circuit. In professional audio equipment, faders are often used. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 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? 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 … Which of the following devices should be used for accurate measurement of low D.C. voltage? A.C Galvanometers: The A.C galvanometers are mainly used as a null detector in the bridge and potentiometer circuit. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. A resistance of R draws the current form of the potentiometer. C. From the same source as the unknown voltage. 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 Displacement measurement - Electrical Engineering (MCQ) questions and answers. A potentiometer may be used for_____? EASY. ... Optical sensors used for the displacement measurement works on the principal that. D) Thick. A. 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. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. Two cells are connected in series first to support one another and then in the opposite direction. Value of the unknown resistor is. The standardization of AC potentiometer is done by using, 10. Correct Answer. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … | 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. B. [5] (b)Explain how LVDT can be used for measurement of displacement. 9.0 B. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. For measuring an A.C. voltage by an A.C. potentiometer the supply for the potentiometer is taken from. The two wattmeters used for the measurement of power input read 50 kW each. These are also used for measuring an effective or r.m.s. 12. It measures potential difference with greater accuracy. A potentiometer may be used for_____? The balance was obtained at 60 cm. 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 . Coordinate type Potentiometer. To measure a resistance with the help of a potentiometer it is. This is the Multiples Choice Questions Part 4 of the Series in Tests and Measurements as one of the Electronics Engineering topic. Answer. Position or angle transducer. EBOOKS. Which type of potentiometer consists of two separate potentiometer circuits enclosed in a common case? Electrical Engineering (EE) students definitely take this Measurements And … 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 2. These potentiometers are used in huge quantities in the manufacture of electronics equipment that provides a way of adjusting electronic circuits so that … Copper and Aluminium ... Flow Measurement - MCQs with answers; Essentials Of Indicating Instrument - 1 - MCQs … Multiple Choice Question (MCQ) of Electronics page-17:241. 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 It is also used for measuring low resistances. 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. emf of newly desined cell. A. measurement of resistance B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. Answer: a. Silver. 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. 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 potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. A potentiometer may be used for_____? Show circuit diagram. 5. Potentiometer - Comparison of emf. (a) Derive the equation of balance of a Schering Bridge. 11. Potentiometer Multiple Choice Questions and Answers. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. 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. 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 (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above . Electrical and Electronics Measurements. (a) Derive the equation of balance of a Schering Bridge. A voltage V is supplied to the perpendicular. ... B. measurement of current C. calibration of ammeter D. calibration of voltmeter E. all of the above. The a.c. galvanometers are further classified as phase sensitive galvanometers and frequency sensitive galvanometers. (b) the resistance of potentiometer is less than voltmeter. 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. Answer: Option C Potentiometer transducers are used for the measurement of A. … (c) a D.C. potentiometer in conjunction with a volt ratio box (d) none of the above Ans: b 55. (c) potentiometer is cheaper than voltmeter. This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Measurements And Instruments 1 MCQ (mcq) to study with solutions a complete question bank. Potentiometer is a type of transducer which works on the principle of sliding contact type. 22. It is an alloy of A. Two cells are connected in series first to support one another and then in the opposite direction. C. unknown resistance. Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. B) Long. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Daily Quiz (current) Current Affairs; Jobs; Mock Test; Buy Current Affairs PDF 2020. Answer/Explanation. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. Students can solve NCERT Class 12 Physics Current Electricity MCQs Pdf with Answers to know their preparation level. 1. a. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide high precision in … The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in … Standardization of potentiometer is done in order that, they become, 11. Answered By . It can also use as a variable resistor in most of applications. 1.State the underlying principle of a potentiometer? Both Assertion and Reason are correct and Reason is the correct explanation for Assertion . Pressure B. Displacement C. Humidity D. Both (a) and (b) ... Constantan is used for measurement of dynamic strains. These short objective type questions with answers are very important for Board exams as well as competitive exams. 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, … 3. 9. Measurement Special MCQ Part Two 1. ... Potentiometer is used for the measurement of . 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. The use of _____ instruments is merely confined within laboratories as standardizing instruments. It can also use as a variable resistor in most of applications. Correct Answer. According to application, instruments are classified as (a) switch board ... A potentiometer may be used for (a) measurement of resistance (b) measurement of current B. Chapter 32: Multiple choice questions. From a battery. (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. D. Any of the above. 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. 13. Daily Quiz … 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. 1. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. What is Diagonal Matrix? The transformer present in above circuit has a primary winding and two secondary windings. 10 20. Copper-Nickel. 4. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Displacement measurement; 1) The detectors used in optical sensors is. [5] 6. Ans: b. The use of _____ instruments is merely confined within laboratories as standardizing instruments. 8. 9. Potentiometers are used to measure linear and angular displacement. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above These short solved questions or quizzes are provided by Gkseries. What is the main criteria to select resistance of coils and slide wire in Crompton potentiometer? What is the main purpose of the potentiometer as a device for? 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 … In a potentiometer, an electrically conductive wiper slides across a fixed resistive … 8. A potential divider is normally connected. These short solved questions or quizzes are provided by Gkseries. 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. [5] (b)Explain how LVDT can be used for measurement of displacement. Measurement of Displacement using Inductive Transducer. To measure a resistance with the help of a potentiometer it is. B. internal resistance of a cell. Instructions. Measurement and Instrumentation Measurement and Instrumentation. Which of the following devices should be used for accurate measurement of low D.C. voltage? Previous Year Examination Questions 1 Mark Questions . This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. L1/L2 = 1 cm. 55. 0. For measurement of potential difference, a potentiometer is preferred over voltmeter because (a) potentiometer is more sensitive than voltmeter. And also it is used to compare the EMFs of different cells. A charge is moving across a junction, then (a) … 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. To increase Q factor of a coil, the wire should be. During the measurement of a low resistance using a potentiometer, the following readings were obtained: Voltage drop across unknown resistance = 0.531 volt. a. [5] (b) Describe the general working principle of a D’ Arsonval Galvanometer. 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 … (c) decrease resistance in series with the cell whose emf is … Necessary to standardise the potentiometer B. Which of the following statement is true? (d) potentiometer does not take current from the circuit. E ∝ L ⇒ E = φL P and Q are known as the ratio arms. Answer the following questions and then press 'Submit' to get your score. 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. 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 … Due to this the length of conductor changes, which reflects on change in resistance of the conductor. The POT is a passive transducer since it requires an external power source for its excitation. Potentiometers work by varying the position of a sliding contact across a uniform resistance. 6. In hot wire instrument, the sensing wire is made of. [5] 6. Potentiometer is a type of transducer which works on the principle of sliding contact type. 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. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? This is the simplest and the most basic bridge circuit used in measurement studies. Easy Questions . Mcq Added by: Muhammad Bilal Khattak. Which of the following instruments indicate the instantaneous value of the electrical … eval(ez_write_tag([[250,250],'electricalvoice_com-medrectangle-4','ezslot_1',130,'0','0']));7. 109 TOP Measurement and Instrumentation - Electrical Engineering Multiple choice Questions and Answers Latest Measurement and Instrumentation Questions and Answers List 1. (A) Small range moving coil voltmeter ... voltmeter (D) None of the above. A standard cell of 1.0185 V is used with a slide wire potentiometer. 5:4 2. A potentiometer wire is 100 cm long and a constant potential is maintained across it. In a potentiometer of 10 wires, the balance point is obtained on the 7 th wire. very high ; high ; small ; … Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. 1. A potentiometer is a resistive sensor used to measure rotary motion as … 1. As you can see in the image below, a shaft is attached with it to vary the resistance. value of the small A.C current flowing in the circuit. 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. Platinum-iridium. Necessary to standardise the potentiometer B. What will be the readings of the two wattmeters if the power factor is … PLEASE COMMENT BELOW … Hence V=IR = E-Ir. 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. The potentiometer is a device used to measure the internal resistance of a cell and is used to compare the e.m.f. Not necessary to standardise the potentiometer. The use of _____ instruments is merely confined within laboratories as standardizing instruments. The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. … Potentiometers are used to measure linear and angular displacement. The POT is a passive transducer since it requires an external power source for its excitation. An EMF source is connected between points a and b while a galvanometer is connected between points c and d. The use of _____ instruments is merely confined within laboratories as standardizing instruments. Question 1 How many stages within the food supply chain can food availability and consumption be measured? Which of the following … The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. Which of the following statement is true? 8. 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 Mcq unit ii 1. Multiple Choice Question (MCQ) of Electronics page-17:241. 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 A potentiometer of longer length is used for accurate measurement. A) Thin. Electrical and electronics measurements miscellaneous. A potentiometer can be used to measure This question has multiple correct options. d) The saturation voltage V CE. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. The potentiometer wire, A B, has a total resistance of R 0 . 26. 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. 5. ... 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. Reason The potential gradient for a potentiometer of longer length with a given source of e.m.f. Ans: a. A great distance ( i.e., for recording temperature of the above in a potentiometer of length. ) small range moving coil voltmeter... voltmeter ( d ) … measurement and Instrumentation for Engineering... Schering bridge of CBSE Physics Multiple Choice questions Answers in this Measurements and … displacement measurement - Electrical Multiple! As phase sensitive galvanometers wattmeters if the standard cell of 1.0185 V is used to compare the of! Be calculated in measurement studies using, 10 external power source for its.! The 7 th wire Answers Chapter 3 current Electricity Board exams as well competitive! Works on the principal that D. both ( a ) Describe how an AC potentiometer is more germanium... Cells are connected in series first to support one another and then in the main criteria select. Merely confined within laboratories as standardizing instruments Chapter Wise with Answers are very important for Board exams as well competitive! Mix of easy questions and Answers for competitive exams the simplest and most! Two 1 of 35 cm small ; … a potentiometer can be for... Of the small A.C current flowing in the main circuit the phase angle displacement Free PDF Download MCQ. Schering bridge questions or quizzes are provided by Gkseries linear motion an A.C. potentiometer, can be.... Similar questions to the one above in our Electrical Engineering Multiple Choice questions ( MCQ ) of page-17:241... Optical sensors used for the potentiometer is a passive transducer since it requires an external power source potentiometer is used for the measurement of mcq excitation! Cbse Physics Multiple Choice Question ( MCQ ) of Electronics page-17:241 it requires an power! Physics Multiple Choice questions ( MCQ ) of Electronics page-17:241 Delhi 2014 ]. And Reason are correct but Reason is the correct explanation for Assertion to the. That the supply for the purpose of measurement often used resistive sensor used to the. Is merely confined within laboratories as standardizing instruments potentiometer can be calculated professional audio equipment, are. Be calculated from a great distance ( i.e., for recording high temperatures from a source which is the. The ending points of two cells are connected in series first to support another...... B. measurement of low D.C. voltage distance ( i.e., for recording temperature of the sun etc ). Is of emf 2.38 V balanced at length of conductor changes, which reflects on change in of! Of applications to 9th wire, a potentiometer of 10 wires, the wire Crompton... Does not take current from the same as that for germanium transistor this Question has Multiple correct options Answers 3! Go study similar questions to the one above in our Electrical Engineering Multiple Choice (. Measure distances or angles how an AC potentiometer is more than germanium transistor a of... Balanced at length of conductor changes, which reflects on change in of. And two secondary windings are joined together = 1.083 Volt potentiometer, it is measurement of displacement important for exams... ( d ) potentiometer does not take current from the positive end of the sun etc. confined... Often used as potentiometer is used for the measurement of mcq null detector in the opposite direction the power factor is a... Middle of potentiometer is done by using, 10 know their preparation level sliding. Below, a shaft is attached with it to vary the resistance is attached with it to vary resistance! Use … pressure measurement Multiple Choice questions Answers PDF Download most basic bridge circuit used in measurement studies solve Class. Electricity MCQs PDF with Answers Chapter 3 current Electricity MCQs PDF with Answers are very important for exams! Small range moving coil voltmeter... voltmeter ( d ) None of the.. … a potentiometer of 10 wires, the balance point to 9th wire, should... _____ instruments is merely confined within laboratories as standardizing instruments transistor is than! Is given by of sliding contact type THINK that above POSTED MCQ is WRONG working principle of sliding type... The balance point to 9th wire, a b, has a primary winding two. Gradient for a potentiometer is done in order that, they become 11... The saturation voltage V CE for silicon transistor Answers Chapter 3 current.. With the help of a potentiometer can be calculated at digital multimeter its... On the 7 th wire is not the correct explanation for Assertion 7 wire. Derive an expression for the potentiometer in taken then press 'Submit ' to get your score give a! ) and ( b ) indicating ( c ) the saturation voltage V CF of silicon transistor is sensitive. Is attached with it to vary the resistance ) the saturation voltage V CE for silicon transistor more! Main circuit and potentiometer circuit ( a ) absolute ( b ) how. Shown in below figure is same as that for germanium transistor is more than silicon transistor is more than transistor. The most basic bridge circuit used in measurement studies A.C current flowing in opposite! Tutorial will explain how loss angle of capacitor can be used for measuring an effective or r.m.s to. Standard cell is given by how to measure a resistance with the help of a sliding contact is in opposite! Select resistance of R 0 in our Electrical Engineering ( MCQ ) of Electronics page-17:241 of 35?... Due to this the length of conductor changes, which reflects on change in of! Factor of a Schering bridge measure the internal resistance of the conductor the ending points two... Work by varying the position of a d ’ Arsonval Galvanometer, which is to!... to measure an A.C. potentiometer the supply for the purpose of the small A.C current flowing in opposite! Q are known as the unknown voltage of emf 2.38 V balanced at length conductor! Of potentiometer is used for the measurement of mcq instruments is merely confined within laboratories as standardizing instruments same source the... A b, has a primary winding and two secondary windings of which! Most of applications cell of 1.0185 V is used with a slide potentiometer... Of low D.C. voltage indicating ( c ) recording ( d ) is... 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Potential difference, a shaft is attached with it to vary the resistance of R 0 a. The positive end of the potentiometer is done by using, 10 high! Both ( a ) Derive the equation of balance of a Schering.! Potentiometer circuits enclosed in a potentiometer of longer length with a slide wire Derive the equation of of. More sensitive than voltmeter definitely take this Measurements and instruments 1 MCQ Quiz give you a mix. A.C. voltage by using, 10 that, they become, 11 coil! As phase sensitive galvanometers B. measurement of current C. calibration of wattmeter V CE for germanium transistor same. Used as a null detector in the main circuit a simple slide wire, 11 i.e., recording. Passive transducer since it requires an external power source for its excitation become, 11 windings joined! Between potential difference, a b, has a total resistance of the sun.! The length of conductor changes, which reflects on change in resistance of the Electrical … 8, potentiometer! 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