26.31 In the circuit shown in Fig. E26.31 all meters are idealized and the batteries have no appreciable internal resistance. (a) Find the read- ing of the voltmeter with the switch S open. Which point is at a higher poten- tial: a or b? (b) With S closed, find the reading of the voltmeter and the amme- STV 25.0 V 75.0 Ω ter. Which way (up or down) does the current flow through the switch? Figure E26.31 100.0 Ω a L15.0

26.31 In the circuit shown in Fig. E26.31 all meters are idealized and the batteries have no appreciable internal resistance. (a) Find the read- ing of the voltmeter with the switch S open. Which point is at a higher poten- tial: a or b? (b) With S closed, find the reading of the voltmeter and the amme- STV 25.0 V 75.0 Ω ter. Which way (up or down) does the current flow through the switch? Figure E26.31 100.0 Ω a L15.0

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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