Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 30 - Induction and Inductance - Problems - Page 899: 45a

Answer

The current is decreasing.

Work Step by Step

$\mathscr{E}_L = -L~\frac{di}{dt}$ According to Lenz's law, an induced emf opposes the change that produces it. Since the induced emf is in the same direction as the current, the current must be decreasing.
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