JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    Silicon is a semiconductor. If a small amount of As is added to it, then its electrical conductivity [MP PMT 1996]

    A)            Decreases                             

    B)            Increases

    C)            Remains unchanged         

    D)            Becomes zero

    Correct Answer: B

    Solution :

               Impurity increases the conductivity.


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