Fundamentals of Physics Extended (10th Edition)

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

Chapter 31 - Electromagnetic Oscillations and Alternating Current - Problems - Page 939: 61d

Answer

The circuit is not in resonance.

Work Step by Step

We can write an expression for the current: $i = I~sin~(\omega_d t-\phi)$ In this case, we can see that $\phi = -42.0^{\circ}$ When a circuit is in resonance, then $\phi = 0$ Since $\phi \neq 0$, the circuit is not in resonance.
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