An LRC ac series circuit with R = 15 ?, L = 25 mH, and C = 30 ?F, is attached to a 100-V (rms) ac power supply. The frequency of the power supply is adjusted so that the circuit is in resonance
(a) What is the rms current in the circuit?
(b) What is the power dissipated by the circuit?
(a) 6.7 A (b) 670 W
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