Examveda
Examveda

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

A. 230 Ω

B. 170 Ω

C. 200 Ω

D. Cannot be determined

Answer: Option C

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