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  1. In a power amplifier the collector current flows for 270° of the input cycle. The operations is

    2. A.
    class A
    B.
    class B
    C.
    class AB
    D.
    class C

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    Answer : Option C

    Explanation :

    In class A operation IC exists for 360°. In class B operation IC exists for 180°. In between there is the class AB.

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