LRC circuit consists of a F17.0-μF capacitor, a resistor, and an inductor connected in series across an ac power source of variable frequency that has a voltage amplitude of 26.0 V.26.0 V. You observe that when the power source frequency is adjusted to 44.5 Hz,44.5 Hz, the rms

LRC circuit consists of a F17.0-μF capacitor, a resistor, and an inductor connected in series across an ac power source of variable frequency that has a voltage amplitude of 26.0 V.26.0 V. You observe that when the power source frequency is adjusted to 44.5 Hz,44.5 Hz, the rms

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 51AP: A 20-mH inductor is connected across an AC source with a variable frequency and a constant-voltage...

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Question

An LRC circuit consists of a F17.0-μF capacitor, a resistor, and an inductor connected in series across an ac power source of variable frequency that has a voltage amplitude of 26.0 V.26.0 V. You observe that when the power source frequency is adjusted to 44.5 Hz,44.5 Hz, the rms current through the circuit has its maximum value of 68.0 mA.

What will be the rms current ?rmsirms if you change the frequency of the power source to 60.0 Hz?

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