7. A circuit is comprised of a non-ideal emf device (that is, one that has an internal resistance r) and two resistors R, and R2. a. Draw this configuration for the case where the three resistances are configured in parallel. b. Draw an arrow representing the direction in which the current leaves the emf device. c. Find an expression for current, in terms of the emf, r, R1, and R2.

7. A circuit is comprised of a non-ideal emf device (that is, one that has an internal resistance r) and two resistors R, and R2. a. Draw this configuration for the case where the three resistances are configured in parallel. b. Draw an arrow representing the direction in which the current leaves the emf device. c. Find an expression for current, in terms of the emf, r, R1, and R2.

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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