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An SCR is connected in series with L = 5 mH and C = 20 μF. Find the resonant frequency of the circuit.

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An SCR is connected in series with L = 5 mH and C = 20 μF. Find the resonant frequency of the circuit.

(a) 2569 rad/s

(b) 3162 rad/s

(c) 2400 rad/s

(d) 7889 rad/s

The question was asked during an interview.

This intriguing question comes from SCR Commutation Techniques-1 in section Other Circuits of Power Electronics

1 Answer

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by (45.1k points)
The correct answer is (b) 3162 rad/s

Explanation: ω = 1/√LC.

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