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Discussion :: Analog Electronics

  1. A class A transformer coupled power amplifier is to deliver 10 W output. The power rating of transistor should not be less than

    2. A.
    5 W
    B.
    10 W
    C.
    20 W
    D.
    40 W

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    Answer : Option C

    Explanation :

    Efficiency is 50%. Therefore input is 20 W.

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