JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    (USS 133) Indium impurity in germanium makes [EAMCET (Engg.) 1995]

    A)            N-type                                    

    B)            P-type

    C)            Insulator                                

    D)            Intrinsic

    Correct Answer: B

    Solution :

               Indium is trivalent, hence on doping with it, the intrinsic semiconductor becomes P-type semiconductor.


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