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JEE Main & Advanced Physics Semiconducting Devices Question Bank Junction Transistor

  • question_answer
    When NPN transistor is used as an amplifier        [DCE 2002]             

    A)            Electrons move from base to emitter

    B)            Electrons move from emitter to base

    C)            Electrons moves from base to emitter

    D)            Holes moves from base to emitter

    Correct Answer: B

    Solution :

               In NPN transistor when emitter-base is forward biased, electrons move from emitter to base.


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