FIGURE 6 shows a simple potentiometer. Wire PQ has length 100 cm and resistance 2.4 N. The galvanometer G shows no deflection when the jockey is at X, a distance 60 cm from P. (i) By neglecting the internal resistance of the 2.0 V battery, calculate the emf Eg of battery B. [Ans: ɛg = 0.74 V] The galvanometer and battery B are replaced by a voltmeter of internal resistance 20 N. Calculate the reading of the voltmeter if the jockey is maintained at its position, X. JAns: V px = 0.71 V] (ii) %3D

FIGURE 6 shows a simple potentiometer. Wire PQ has length 100 cm and resistance 2.4 N. The galvanometer G shows no deflection when the jockey is at X, a distance 60 cm from P. (i) By neglecting the internal resistance of the 2.0 V battery, calculate the emf Eg of battery B. [Ans: ɛg = 0.74 V] The galvanometer and battery B are replaced by a voltmeter of internal resistance 20 N. Calculate the reading of the voltmeter if the jockey is maintained at its position, X. JAns: V px = 0.71 V] (ii) %3D

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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