68 An ideal 0.25-H inductor and a capacitor are connected in series with an ideal 60-Hz generator. A digital voltmeter is used to measure the rms voltages across the inductor and capacitor in- dependently. The voltmeter reading across the capacitor is 75 V and that across the inductor is 50 V. (a) Find the capacitance and the rms current in the circuit. (b) What is the rms voltage across the series combination of the capacitor and the inductor?

68 An ideal 0.25-H inductor and a capacitor are connected in series with an ideal 60-Hz generator. A digital voltmeter is used to measure the rms voltages across the inductor and capacitor in- dependently. The voltmeter reading across the capacitor is 75 V and that across the inductor is 50 V. (a) Find the capacitance and the rms current in the circuit. (b) What is the rms voltage across the series combination of the capacitor and the inductor?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 69CP: An RLC series circuit consists of a 50 resistor, a 200F capacitor, and a 120-mN inductor whose coil...

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