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JEE Main & Advanced Physics Semiconducting Devices Question Bank Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits

  • question_answer
       When NPN transistor is used as an amplifier

    A)  electrons move from base to emitter

    B)  holes move from emitter to base

    C)  electrons move from collector to base

    D)  holes move from base to emitter

    Correct Answer: D

    Solution :

    [d] holes will diffuse from base to emitter


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