A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the Q factor of the circuit is?

A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacito

1.	A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the Q factor of the circuit is?
A.	82.63
B.	47.115
C.	27.38
D.	92.38
Answer» C. 27.38

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A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 m resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the Q factor of the circuit is?

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