RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    When semiconductor makes from Germanium doped by phosphorus, then in semiconductor

    A)  quantity of negative electric charge will be maximum

    B)  electrons will be maximum

    C)  quantity of positive electric charge will be maximum

    D)  holes will be maximum

    Correct Answer: A

    Solution :

     When germanium is stopped with phosphorus, then,\[n-\]type semiconductor is obtained i.e., amount of negative charge will be maximum.


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