17 Nov 2021
Problem 25b
Page 618
Section: Questions
Chapter 21: Electromagnetic Induction and Faraday’s Law
Textbook ExpertVerified Tutor
17 Nov 2021
Given information
Given an LRC circuit and asked if the rms voltage across a capacitor can be greater than the rms voltage of the ac source.
Step-by-step explanation
Step 1.
The rms voltages across a capacitor of an LRC circuit can be greater than the rms source voltage because the different voltages are out of phase with each other. At any given instant, the voltage across the capacitor could be negative, for example, thus allowing for a very large positive voltage on the other device. The rms voltages will always be positive.
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