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Manipal Engineering Manipal Engineering Solved Paper-2012

  • question_answer
    The energy gap between the valence band and the conduction band for a material .is\[6\,\,eV\]. The material is

    A)  an insulator

    B)  a metal

    C)  an intrinsic semiconductor

    D)  a superconductor

    Correct Answer: A

    Solution :

    Insulators have large energy gap between valence and conduction band (about\[\text{6}\,\,\text{eV}\]), while semiconductors have a smaller one and conductors, the smallest energy gap.


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