WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    In a \[n-\]type semiconductor, which of the following statement is true?

    A)  Electrons are majority carriers and trivalent atoms are dopants

    B)  Electrons are minority carriers and pentavalent atoms are dopants

    C)  Holes are minority carriers and pentavalentf atoms are dopants

    D)  Holes are majority carriers and trivalent atoms are dopants                      

    Correct Answer: C

    Solution :

     The n-type sem-iconductor can be produced by doping an impurity atom of valence   5   i.e.,   pentavalent   atoms. i.e., phosphorus.


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