Q:

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 mΩ resistance and 15 mH inductance, then at a resonance frequency of 50 Hz the half power frequencies of the circuit are ______________

A) 50.53 Hz, 49.57 Hz B) 52.12 HZ, 49.8 Hz
C) 55.02 Hz, 48.95 Hz D) 50 HZ, 49 Hz
 

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