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Discussion :: Electronic Devices and Circuits

  1. The mean free path of conduction electrons in copper is about 4 x 10-8 m. For a copper block, find the electric field which can give, on an average, 1 eV energy to a conduction electron

    2. A.
    2.62 x 107 V/m
    B.
    2.64 x 107 V/m
    C.
    2.5 x 107 V/m
    D.
    2.58 x 107 V/m

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    Answer : Option C

    Explanation :

    Work (Energy) = F x d

    1 eV = e.E x d

    2.5 x 107 V/m.

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