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  1. In a 3 phase semiconverter, the firing frequency is

    2. A.
    equal to line frequency
    B.
    3 times the line frequency
    C.
    6 times the line frequency
    D.
    12 times the line frequency

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    Answer : Option B

    Explanation :

    Since the circuit has 3 thyristors, firing frequency is three times the line frequency.

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