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 - Conceptual Questions - Page 747: 9

Answer

At t=0, I=120 A, or at maximum. The voltage is then zero, because current leads voltage by 90° in a capacitor. When current is maximum, voltage is 1/4 period behind, or at zero. They are out of phase.

Work Step by Step

At t=0, I=120 A, or at maximum. The voltage is then zero, because current leads voltage by 90° in a capacitor. When current is maximum, voltage is 1/4 period behind, or at zero. They are out of phase.
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