A 120-V rms voltage at 1.0 kHz is applied to a 2.0-mH inductor, a 4.0-µF capacitor and a resistor. If the rms value of the current in this circuit is 30 A, what is the value of the resistor at resonance?

A 120-V rms voltage at 1.0 kHz is applied to a 2.0-mH inductor, a 4.0-µF capacitor and a resistor. If the rms value of the current in this circuit is 30 A, what is the value of the resistor at resonance?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 33PQ

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Question

A 120-V rms voltage at 1.0 kHz is applied to a 2.0-mH inductor, a 4.0-µF capacitor and a resistor. If the rms
value of the current in this circuit is 30 A, what is the value of the resistor at resonance?
240 Q
20 Q
120 Q
133.3 Q

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