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Railways General Science & Technology Semiconductor Electronics Sample Paper Semiconductor Electronics Sample Test Paper-12

  • question_answer
    The intrinsic semiconductor becomes an insulator at

    A)  \[0{}^\circ C\]             

    B)  0 K

    C)  300 K  

    D)  \[-100{}^\circ C\]

    Correct Answer: B

    Solution :

    [b] [Hint At 0K \[(-273{}^\circ C)\] motion of free electron stop i.e., there is no electron in conduction band therefore at 0K intrinsic semiconductor becomes insulator.]


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