AFMC AFMC Solved Paper-2006

  • question_answer
    Pure silicon doped with phosphorus is a :

    A) metallic conductor

    B) insulator

    C) n-type semiconductor

    D) p-type semiconductor

    Correct Answer: C

    Solution :

    Excess of one valence electron in P atom (5 valence electron) over Si (4 valence electron) will form n-type semiconductor.


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