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JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like      [AIIMS 2003]

    A)            A conductor

    B)            A P-type semiconductor

    C)            An N-type semiconductor

    D)            An insulator

    Correct Answer: B

    Solution :

               Gallium is trivalent impurity.


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