A two branch parallel circuit has a 20 Ω resistance and 1 H inductanc – McqOptions

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

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