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Discussion :: Electronic Devices and Circuits

  1. Calculate the resistivity of n-type semiconductor from the following data, Density of holes = 5 x 1012 cm-3. Density of electrons = 8 x 1013 cm-3, mobility of conduction electron = 2.3 x 104 cm2/ V-sec and mobility of holes = 100 cm2/V-sec.

  2. A.
    0.43 Ω-m
    B.
    0.34 Ω-m
    C.
    0.42 Ω-m
    D.
    0.24 Ω-m

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    Answer : Option B

    Explanation :

    Resistivity(r) = .

    σ = e(neue + nnun).


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