Answered: rint 3.

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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Question

The circuit in the diagram consists of a battery with EMF E, a resistor with resistance R, an ammeter, and a voltmeter. The voltmeter and the ammeter (labeled V and A, respectively) can be considered ideal; that is, their resistances are infinity and zero, respectively. The current in the resistor is III, and the voltage across it is V. The internal resistance of the battery rintrintr_int is not zero.

Part A: What is the ammeter reading I? Express your answer in terms of E, R, and r_int.

Part B: What is the voltmeter reading V? Express your answer in terms of E, R, and r_int.

Part C: What is the power P_R dissipated in the resistor? Express your answer in terms of I and V.

Part D: Again, what is the power P_R dissipated in the resistor? This time, express your answer in terms of one or more of the following variables: I, r_int, and R.

Part E: For the third time, what is the power P_R dissipated in the resistor? Express your answer in terms of one or more of the following variables: E, r_int, and R.

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