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Discussion :: Power Electronics

  1. A single phase electric heater uses phase controlled thyristors. The firing angle is 90°. The degree of heating is

    2. A.
    25% of maximum
    B.
    50% of maximum
    C.
    75% of maximum
    D.
    none of the above

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    Answer : Option B

    Explanation :

    Conduction occurs only during 50% of wave.

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