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JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    An N-type and P-type silicon can be obtained by doping pure silicon with                                              [EAMCET (Med.) 2000]

    A)            Arsenic and Phosphorous      

    B)            Indium and Aluminium

    C)            Phosphorous and Indium       

    D)            Aluminium and Boron

    Correct Answer: C

    Solution :

               Phosphorus is pentavalent while Indium is trivalent.


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