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Question

A series LCR circuit has L = 1mH, C = 0.1 μF and R = 10 Ω . It is connected across a source of alternating emf of 5V but of variable frequency. Find (i) the frequency at which the impedance is minimum (ii) the current at resonance.

A
1052πHz,12A
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B
1042πHz,12A
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C
1022πHz,12A
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D
1032πHz,12A
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