2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2007

  • question_answer
    The energy gap between conduction band and the valence band is of the order of 0.7 eV. Then it is

    A)  an insulator

    B)  a conductor

    C)  a semiconductor

    D)  an alloy

    E)  a superconductor

    Correct Answer: C

    Solution :

    It is a semiconductor, For \[Ge,\Delta {{E}_{g}}=0.72eV\] For \[Si,\Delta {{E}_{g}}=1.1\,eV\]


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