College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 21 - AC Circuits - Learning Path Questions and Exercises - Exercises - Page 748: 10

Answer

Average power = $99.96W$ Peak current = $1.178A$ Resistance = $144Ohm$

Work Step by Step

RMS current = 0.833A, RMS Voltage = 120 V Thus, average power = RMS voltage $\times$ RMS current = $120 \times 0.833=99.96W$ Peak current = $\sqrt 2 \times$ RMS current = $\sqrt 2\times0.833=1.178A$ Resistance = RMS voltage / RMS current = $120/0.833=144 Ohm$
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