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 - Questions - Page 935: 10b

Answer

The driving angular frequency is equal to the resonant angular frequency.

Work Step by Step

We can see that the current and the emf are in phase. When the current and the emf are in phase, then $\phi = 0$, and the driving angular frequency is equal to the resonant angular frequency.
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