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JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    When germanium is doped with phosphorus, the doped material has                                    [MP PMT 2004]

    A)             Excess positive charge

    B)             Excess negative charge

    C)             More negative current carriers

    D)             More positive current carriers

    Correct Answer: C

    Solution :

                Phosphorus is pentavalent impurity.


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