JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    At zero Kelvin a piece of germanium                  [MP PET 1999]

    A)            Becomes semiconductor

    B)            Becomes good conductor

    C)            Becomes bad conductor 

    D)            Has maximum conductivity

    Correct Answer: C

    Solution :

               At zero Kelvin, there is no thermal agitation and therefore no electrons from valence band are able to shift to conduction band.


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