A 200Ω resistor, a coil with 30Ω of reactance, and a capacitor of unknown reactance are in series across an ac source. The circuit is at resonance. Circuit impedance

1. 

A 200  resistor, a coil with 30  of reactance, and a capacitor of unknown reactance are in series across an ac source. The circuit is at resonance. Circuit impedance
[A]. is 230 Ω
[B]. is 170 Ω
[C]. is 200 Ω
[D]. cannot be determined

Answer: Option C

Explanation:

No answer description available for this question.
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