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JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    In extrinsic P and N-type, semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about                                                                                    [MP PET 2003]

    A)            1    

    B)            \[{{10}^{-1}}\]

    C)            \[{{10}^{-4}}\]                     

    D)            \[{{10}^{-7}}\]

    Correct Answer: D

    Solution :


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