Answered: The circuit on the right contains three…

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 on the right contains three resistors, A, B, and C, which all have equal resistances. The emf is 110V. Which resistor dissipates the most thermal energy after the switch is closed? (Resistor A, B, or C). Why? What other quantity is maximized to tell you that the energy is maximized?

Expert Solution

Step 1

Heat dissipation is similar to power dissipation across a resistance which is given by

p=IV=I²R=V²/R

answer: resistance C has most heat dissipation

explanation is :)

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