JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    P-type semiconductors are made by adding impurity element                                    [MP PMT 2001]

    A)            As  

    B)            P

    C)            B    

    D)            Bi

    Correct Answer: C

    Solution :

               Because boron is a trivalent impurity.


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