Banking Physics Semiconducting Devices Question Bank Semiconductor Electronics

  • question_answer
    Regarding a semiconductor which one of the following is wrong?

    A)  There are no free electrons at room temperature  

    B)  There are no free electrons at OK

    C)  The number of free electrons increases with rise of temperature

    D)  The charge carriers are electrons and holes

    Correct Answer: A

    Solution :

     At room temperature, few bonds breaks and electron hole pair generates inside the semiconductor.


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