Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 23 - Magnetic Flux and Faraday's Law of Induction - Conceptual Questions - Page 828: 11

Answer

Please see the work below.

Work Step by Step

We know that when the current reaches a given value in an RL circuit, it stops changing and the back emf in an inductor vanishes. Thus, the final current in the circuit is determined by the resistor and the emf of the battery and the inductor acts likes an ideal wire with zero resistance when the current reaches a given value.
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