7. A circuit is comprised of a non-ideal emf device (that is, one that has an internal resistance r) andtwo 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.

Given:Two resistors = R1 and R2Internal resistor = r

Answered: 7. A circuit is comprised of a…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 67AP: A circuit contains a D cell battery, a switch, a 20- resistor, and four 20-mF capacitors connected...

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