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Discussion :: Electronic Devices and Circuits

  1. In all metals

    2. A.
    conductivity decreases with increase in temperature
    B.
    current flow by electrons as well as by holes
    C.
    resistivity decreases with increase in temperature
    D.
    the gap between valence and conduction bands is small

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    Answer : Option A

    Explanation :

    In all metals conductivity decreases (and resistance increases) with increase in temperature.

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