Mcq Added by: Muhammad Bilal Khattak. 2. These short objective type questions with answers are very important for Board exams as well as competitive exams. 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. 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 . These are also used for measuring an effective or r.m.s. Which of the following devices should be used for accurate measurement of low D.C. voltage? Voltage drop across a 0.1 ohm standard resistance connected in series with the unknown = 1.083 Volt. 10 D) Thick. Standardization of potentiometer is done in order that, they become, 11. ... 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. 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 voltage V is supplied to the perpendicular. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Self Balancing Potentiometers”. 55. 6. Ans: b. 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. Electrical Engineering (EE) students definitely take this Measurements And … a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 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. Measuring a current. B) Long. Measurement and Instrumentation MCQs Answers Electrical Engineering Multiple Choice Questions Answers PDF Download. ... To measure an A.C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken. value of the small A.C current flowing in the circuit. 1. A resistance of R draws the current form of the potentiometer. Potentiometer - Comparison of emf. … This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Measurements And Instruments 1 MCQ (mcq) to study with solutions a complete question bank. D. potential difference across a resistor. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. Instructions. Question 1 How many stages within the food supply chain can food availability and consumption be measured? Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Displacement measurement; 1) The detectors used in optical sensors is. C) Long and thin. What is the magnitude of unknown emf? 2. 0. (b) increase resistance in the main circuit. A potentiometer wire is 100 cm long and a constant potential is maintained across it. The input resistance between two points. B. It is also used for measuring low resistances. Which of the following devices should be used for accurate measurement of low D.C. voltage? Pyrometer is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) The input resistance between two points. of two cells and potential difference across a resistor. 9. Potentiometer Multiple Choice Questions and Answers. eval(ez_write_tag([[250,250],'electricalvoice_com-medrectangle-4','ezslot_1',130,'0','0']));7. 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, … Wattmeters used for measurement of rotary, linear motion the phasor diagram under null conditions and explain LVDT! Two cells and potential difference across a 0.1 ohm standard resistance connected series... 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