3 When switch S in Fig. E25.29 Figure E25.29 is open, the voltmeter V reads 3.08 V. When the switch is closed, the volt- meter reading drops to 2.97 V, and the ammeter A reads 1.65 A. Find the emf, the internal resistance of the battery, and the circuit resistance R. Assume that the two meters are ideal, so they don't affect the circuit. S V r E -ww R www A

3 When switch S in Fig. E25.29 Figure E25.29 is open, the voltmeter V reads 3.08 V. When the switch is closed, the volt- meter reading drops to 2.97 V, and the ammeter A reads 1.65 A. Find the emf, the internal resistance of the battery, and the circuit resistance R. Assume that the two meters are ideal, so they don't affect the circuit. S V r E -ww R www A

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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