Uttarakhand PMT Uttarakhand PMT Solved Paper-2005

  • question_answer
    The intrinsic semiconductor become an insulator at:

    A)  0 K

    B)  300 K

    C)  \[0{}^\circ C\]              

    D)  \[-100{}^\circ C\]

    Correct Answer: A

    Solution :

     The number of free electrons in intrinsic semiconductor is zero at 0 K. Hence, the intrinsic    semiconductor    becomes insulator at 0 K.


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