Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 21 - Electromagnetic Induction and Faraday's Law - Misconceptual Questions: 3

Answer

Choice D.

Work Step by Step

A current is induced only when the magnetic flux through the loop is changing. As the loop passes over line J, the flux changes from zero to a nonzero value and a (counterclockwise) current is induced. As the loop passes over line K, the flux doesn’t change, and no current is induced. As the loop passes over line L, the magnetic flux through the loop decreases in magnitude and a (clockwise) current is induced.
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