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Railways General Science & Technology Semiconductor Electronics Sample Paper Semiconductor Electronics Sample Test Paper-12

  • question_answer
    To obtain P-type Si semiconductor, we need to dope pure Si with

    A)  Aluminium       

    B)  Phosphorous

    C)  Oxygen

    D)  Germanium.

    Correct Answer: A

    Solution :

    [a] Aluminium is trivalent impurity


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