Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    At zero kelvin a piece of germanium

    A)  becomes semiconductor

    B)  becomes good conductor

    C)  becomes bad conductor

    D)  has maximum conductivity

    Correct Answer: C

    Solution :

    At OK all the four valence electrons bound together by covalent bonds and no electron is free for conduction. Hence, \[Ge\] will react as a bad conductor at 0 K.


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