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Networks Analysis and Synthesis
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
500 Ω
50 Ω
20 Ω
5 Ω
Correct Answer:
500 Ω
Explanation:
At parallel resonance circuit impedance =
.
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