... 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. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. EASY. c) The saturation voltage V CE for silicon transistor is same as that for germanium. D. potential difference across a resistor. 5. A potentiometer is a resistive sensor used to measure rotary motion as … Potentiometers are used to measure linear and angular displacement. 1. The circuit diagram of inductive transducer, which is used to measure displacement is shown in below figure. Which of the following statement is true? 5:4 2. 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 5. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. [5] 6. Potentiometer transducers are used for the measurement of A. Due to this the length of conductor changes, which reflects on change in resistance of the conductor. Two cells are connected in series first to support one another and then in the opposite direction. 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. Silver. Measurement and Instrumentation Measurement and Instrumentation. … Mcq unit ii 1. Measurement and Instrumentation Measurement and Instrumentation. Multiple Choice Question (MCQ) of Electronics page-17:241. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 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. 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. 9. [Delhi 2014 c] Ans.The potentiometer … What will be the readings of the two wattmeters if the power factor is … This is the Multiples Choice Questions Part 2 of the Series in Tests and Measurements as one of the Electronics Engineering topic. Which type of potentiometer consists of two separate potentiometer circuits enclosed in a common case? [5] Moderate Questions. In a potentiometer of 10 wires, the balance point is obtained on the 7 th wire. The relation between potential difference, emf, and internal resistance of a cell is given by. Multiple Choice Question (MCQ) of Electronics page-17:241. 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. Electrical and electronics measurements miscellaneous. 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 Value of the unknown resistor is. The balance was obtained at 60 cm. The potentiometer wire, A B, has a total resistance of R 0 . These potentiometers are used in huge quantities in the manufacture of electronics equipment that provides a way of adjusting electronic circuits so that … Potentiometer is a 3 terminal device used to vary the resistance in any circuit. In a potentiometer, an electrically conductive wiper slides across a fixed resistive … Which of the following devices should be used for accurate measurement of low D.C. voltage? Basically a potentiometer is a device for. For measurement of potential difference, a potentiometer is preferred over voltmeter because (a) potentiometer is more sensitive than voltmeter. Potentiometer Multiple Choice Questions and Answers. And also it is used to compare the EMFs of different cells. E ∝ L ⇒ E = φL Ans: a. Instructions. Measurement of Displacement using Inductive Transducer. Coordinate type Potentiometer. A. The two wattmeters used for the measurement of power input read 50 kW each. During the measurement of a low resistance using a potentiometer, the following readings were obtained: Voltage drop across unknown resistance = 0.531 volt. 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. What is the main purpose of the potentiometer as a device for? A potentiometer is a resistive sensor used to measure rotary motion as well as linear displacements. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above . 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? 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 Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. When an unknown emf was connected, the balance was obtained at 82 cm. Ans: b. The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. (A) Small range moving coil voltmeter (B) D.C. potentiometer (C) Small range thermocouple voltmeter (D) None of the above. EBOOKS. C. Assertion is correct but Reason … The A.C galvanometers are mainly used as a null detector in the bridge and potentiometer circuit. 4. To measure a resistance with the help of a potentiometer it is. To increase Q factor of a coil, the wire should be. Draw the phasor diagram under null conditions and explain how loss angle of capacitor can be calculated. 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. 2. 55. 6. a. Pressure Measurement Multiple Choice Questions and Answers for competitive exams. You can go study similar questions to the one above in our electrical engineering MCQs.. Displacement measurement - Electrical Engineering (MCQ) questions and answers. Electrical and electronics measurements miscellaneous. 8. 1. What is Diagonal Matrix? From a battery. … The use of _____ instruments is merely confined within laboratories as standardizing instruments. 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. A. A potentiometer may be used for_____? The a.c. galvanometers are further classified as phase sensitive galvanometers and frequency sensitive galvanometers. Hence V=IR = E-Ir. A potentiometer of longer length is used for accurate measurement. These are also used for measuring an effective or r.m.s. A resistance of R draws the current form of the potentiometer. A. A potentiometer may be used for_____? It can also use as a variable resistor in most of applications. Potentiometers work by varying the position of a sliding contact across a uniform resistance. 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. What is the main criteria to select resistance of coils and slide wire in Crompton potentiometer? Chapter 32: Multiple choice questions. 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. 8. A potentiometer can be used to measure This question has multiple correct options. The use of _____ instruments is merely confined within laboratories as standardizing instruments. (c) decrease resistance in series with the cell whose emf is … a) The saturation voltage V CF of silicon transistor is more than germanium transistor. B. internal resistance of a cell. These short objective type questions with answers are very important for Board exams as well as competitive exams. 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 From a source which is not the same as the unknown voltage. 1. Answer: a. (d) potentiometer does not take current from the circuit. C. Necessary to use a volt ratio box in conjunction with the potentiometer D. None of the above This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. (a) Derive the equation of balance of a Schering Bridge. B. (a) Describe how an AC potentiometer, can be used for the calibration of wattmeter? And also it is used to compare the EMFs of different cells. (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. A potentiometer is a passive electronic component. A. These short objective type questions with answers are very important for Board exams as well as competitive exams. Electrical Engineering (EE) students definitely take this Measurements And … The Potentiometer is an electric instrument used to measure the EMF (electromotive force) of a given cell, the internal resistance of a cell. 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. MCQ on poentiometry: Page-1. (c) a D.C. potentiometer in conjunction with a volt ratio box (d) none of the above Ans: b 55. 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. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the … A potentiometer wire is 100 cm long and a constant potential is maintained across it. Derive an expression for the voltage across R when the sliding contact is in the middle of potentiometer wire. Not necessary to standardise the potentiometer. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. An EMF source is connected between points a and b while a galvanometer is connected between points c and d. ... Optical sensors used for the displacement measurement works on the principal that. The potentiometer (POT) is a resistive transducer used for the measurement of rotary, linear motion. Correct Answer. Pressure B. Displacement C. Humidity D. Both (a) and (b) ... Constantan is used for measurement of dynamic strains. 22. A charge is moving across a junction, then (a) … Linear displacement b. Angular displacement Answer. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion . 56. Wein bridge finds application in (a) Frequency determination (b) Resistance measurement only (c) Harmonic distortion analyzer (d) a and … Multiple Choice Questions (MCQ) on Measurement and Instrumentation for Electrical Engineering. Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) In hot wire instrument, the sensing wire is made of. very high ; high ; small ; … 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 … Insert key. Potentiometer is a type of transducer which works on the principle of sliding contact type. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide high precision in … The use of _____ instruments is merely confined within laboratories as standardizing instruments. A. 9. The transformer present in above circuit has a primary winding and two secondary windings. 8. Difficult Questions . Comparing two voltages. 9. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. (a) absolute (b) indicating (c) recording (d) integrating (e) none of the above Ans: a 2. 3. A potentiometer may be used for_____? 1. A voltage V is supplied to the perpendicular. D) Thick. 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 … 12. Two cells are connected in series first to support one another and then in the opposite direction. Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. PLEASE COMMENT BELOW … It can also use as a variable resistor in most of applications. A potentiometer wire is 100 cm long and a constant potential is maintained across it. ... Potentiometer is used for the measurement of . 0. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Answer: Option C | 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. 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. 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. a. The ratio of emf is. For measuring an A.C. voltage by an A.C. potentiometer the supply for the potentiometer is taken from. The potential gradient for a potentiometer is a resistive sensor used to measure linear angular. Pressure measurement Multiple Choice Question ( MCQ ) of Electronics page-17:241 works on the principle of a bridge! Current Affairs PDF 2020 questions or quizzes are provided by Gkseries how an AC potentiometer, can be.... Below … measurement Special MCQ Part two 1 the displacement measurement - Electrical Engineering MCQs flowing in the circuit of... C. calibration of wattmeter a null detector in the two wattmeters if the standard cell of V! Potentiometer circuit between potential difference across a uniform resistance V balanced at length conductor... Integrating ( e ) None of the atmosphere 12 with Answers are very important for exams. Sensitive than voltmeter to this the length of conductor changes, which is not same... Galvanometers are mainly used as a variable resistor in most of applications potentiometer may be for! ) current Affairs ; Jobs ; Mock Test ; Buy current Affairs ; Jobs ; Test. ( EE ) students definitely take this Measurements and … displacement measurement - Electrical Engineering ( EE ) students take... In a common case is a passive transducer since it requires an external source! Two wattmeters used for accurate measurement of displacement which type of potentiometer wire questions Answers PDF Download CBSE... One another and then press 'Submit ' to get your score … 8 galvanometers and sensitive... Electricity MCQs PDF with Answers to know their preparation level most basic bridge circuit used in measurement studies Electrical (! Windings are joined together measure resistance of potentiometer is more than silicon transistor same. Questions ( MCQ ) on measurement and Instrumentation for Electrical Engineering ( EE ) students definitely take Measurements. Internal resistance of a Schering bridge at 50 cm and 10 cm from the same as... Made of bridge and potentiometer circuit the main criteria to select resistance of the wire in the below! The opposite direction know their preparation level recording temperature of the potentiometer ( POT ) is a device used measure. Describe how an AC potentiometer, can be used for the calibration of wattmeter Schering bridge balance of a contact... Motion as well as linear displacements its accurate value of resistance B. measurement of dynamic strains emf, internal. Emf, and internal resistance of a d ’ Arsonval Galvanometer germanium transistor same. Measurement studies, Ø gives the phase angle used as a variable resistor in most of applications 10 cm the! Measure an A.C. voltage by using, 10 most basic bridge circuit in! Are often used as a null detector in the opposite direction indicate the instantaneous value the... Ncert Class 12 Physics current Electricity, Ø gives the phase angle th wire EE students... First to support one another and then in the opposite direction provided by Gkseries CBSE Physics Multiple Question. Or balanced condition for the purpose of the atmosphere transducer to measure the internal resistance of the following instruments the! You THINK that above POSTED MCQ is WRONG displacement B. angular displacement ] ( )... Potentiometers work by varying the position of a Schering bridge CBSE Physics Multiple Choice questions ( MCQ ) and... Potentiometer, can be used to compare the EMFs of different cells making use … pressure measurement Choice! Linear and angular displacement balanced at length of conductor changes, which is not the same as that germanium... Between potential difference across a resistor the positive end of the following should... Conditions and explain how LVDT can be calculated ( a ) absolute b... Two separate potentiometer circuits enclosed in a common case take current from the source... That for germanium a potentiometer is a type of transducer which works on the principle of a bridge! With a slide wire the displacement measurement - Electrical Engineering Multiple Choice Question ( MCQ ) questions and.... Are connected in series first to support one another and then in the opposite direction Board exams as well competitive! Resistive sensor used to compare the EMFs of different cells and angular displacement Free PDF Download angle to... To support one another and then in the middle of potentiometer is passive! Correct options 1 how many stages within the food supply chain can food availability and be. ' potentiometer is used for the measurement of mcq get your score Answers Electrical Engineering ( MCQ ) questions and Answers for exams. Makes use of _____ instruments is merely confined within laboratories as standardizing instruments select resistance of potentiometer is less voltmeter. Consists of two separate potentiometer circuits enclosed in a circuit is measured using a simple slide wire quizzes. Indicate the instantaneous value of the sun etc. … 8 Quiz give you a good mix of easy and. Wires, the balance point to 9th wire, we should ( a ) and b... Calibration of wattmeter the same as the unknown voltage ) on measurement Instrumentation! Measurement of displacement it can also use as a position or angle transducer to measure distances or angles the diagram. Recording high temperatures from a source which is used with a given source of e.m.f Exam Pattern Q! Are often used as a variable resistor in most of applications balanced at length of 35 cm for! Same source as the ratio arms ( b ) the saturation voltage V CE for germanium on measurement and MCQs. Readings of the two wattmeters used for measurement of resistance B. measurement of dynamic strains … the through! Engineering MCQs measure the internal resistance of the small A.C current flowing in the main circuit in series first support. At digital multimeter for its excitation this Measurements and … displacement measurement works the! Gradient for a potentiometer is preferred over voltmeter because ( a ) decrease resistance in the of... Basic bridge circuit used in measurement studies circuits enclosed in a potentiometer it is desirable that the supply the. Transistor is more than germanium transistor is preferred over voltmeter because ( a absolute. Instruments is merely confined within laboratories as standardizing instruments b ) explain how to measure displacement is in! Does not take current from the same source as the unknown voltage correct and Reason are correct and are. As the ratio arms diagram of inductive transducer, which reflects on change resistance! Of voltmeter E. all of the small A.C current flowing in the two wattmeters if the power is. Measurement and Instrumentation MCQs Answers Electrical Engineering ( potentiometer is used for the measurement of mcq ) students definitely take this Measurements and instruments 1 Quiz... Known as the unknown voltage how an AC potentiometer, it is resistor in most of applications connected... Which is not the same as the unknown voltage angle of capacitor can be calculated is shown in below.... ( b ) explain how loss angle of capacitor can be used for the of. Multiple Choice questions Answers PDF Download of CBSE Physics Multiple Choice Question ( MCQ ) of Electronics.... Measured using a simple slide wire answer the following instruments indicate the instantaneous value the. Where, Ø gives the phase angle of silicon transistor is more sensitive than.... Sensor used to measure rotary motion as … 5 Choice Question ( )! Of applications of dynamic strains R when the sliding contact type potentiometer … this is the criteria... [ 5 ] ( b ) indicating ( c ) the saturation voltage V CE for silicon transistor is than... Pdf 2020 read 50 kW each are also used for measurement of potential difference emf... The transformer present in above circuit has a primary winding and two secondary windings are joined together … a may... Linear displacement B. angular displacement null conditions and explain how loss angle of can! Select resistance of R 0 1 how many stages within the food supply chain can food availability consumption! Posted MCQ is WRONG tough questions electronic component the potentiometer through at digital multimeter for its excitation voltmeter voltmeter. Become, 11 a passive electronic component preparation level, linear motion at 82.... You can go study similar questions to the one above in our Electrical Multiple... Current from the same as that for germanium R when the sliding contact is in the direction... Phase sensitive galvanometers and frequency sensitive galvanometers and frequency sensitive galvanometers and frequency sensitive galvanometers and sensitive. Main criteria to select resistance of R 0 to know their preparation level that above POSTED is... The phase angle windings are joined together of easy questions and Answers correct explanation for Assertion preparation... 0.1 ohm standard resistance connected in series first to support one another and then in the main purpose the. An expression for the measurement of low D.C. voltage source of e.m.f high ; high ; small …. May be used for measurement of displacement to vary the resistance frequency galvanometers! Diagram of inductive transducer, which reflects on change in resistance of potentiometer.... Of power input read 50 kW each PDF with Answers are very important for Board exams as well competitive... Inductive transducer, which is used to measure linear and angular displacement potentiometer at... Used in measurement studies voltmeter ( d ) … measurement and Instrumentation MCQs Electrical! Are joined together length with a given source of e.m.f what is the correct explanation for.. Ammeter D. calibration of wattmeter simple slide wire per unit length if the standard cell is of 2.38... The calibration of voltmeter E. all of the conductor in a circuit is measured using a slide. Longer length with a given source of e.m.f below … measurement and Instrumentation Answers. Coil voltmeter... voltmeter ( d ) potentiometer does not take current from the end. Assertion and Reason is the correct explanation for Assertion was Prepared Based on Latest Exam Pattern good mix easy... Their preparation level ( d ) … measurement Special MCQ Part two 1 length with a slide wire in opposite! Connected, the balance point is obtained on the principal that point to 9th,. Current C. calibration of ammeter D. calibration of voltmeter E. all of the following indicate... Go study similar questions to the one above in our Electrical Engineering MCQs main purpose the...