A 200 resistor, a coil with 30 of reactance, and a capacitor of unkn – McqOptions

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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
B.	is 170
C.	is 200
D.	cannot be determined
Answer» D. cannot be determined

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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