Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 28 - Fundamentals of Circuits - Exercises and Problems - Page 790: 7

Answer

$R = 9.6~\Omega$ $I = 12.5~A$

Work Step by Step

We can find the resistance: $P = \frac{V^2}{R}$ $R = \frac{V^2}{P}$ $R = \frac{(120~V)^2}{1500~W}$ $R = 9.6~\Omega$ We can find the current: $I = \frac{V}{R} = \frac{120~V}{9.6~\Omega} = 12.5~A$
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