A two branch parallel circuit has a 20 &ohm; resistance and 1 H induct – McqOptions

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1.	A two branch parallel circuit has a 20 &ohm; resistance and 1 H inductance in one branch and a 100 F capacitor in the second branch. It is fed from 100 V ac supply, at resonance, the input impedance of the circuit is
A.	500 &ohm;
B.	50 &ohm;
C.	20 &ohm;
D.	5 &ohm;
Answer» B. 50 &ohm;

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