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Semiconductor Physics

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20 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    A semiconductor has generally ……………… valence electrons.

    2

    3

    6

    4

  • 2. Multiple Choice
    45 seconds
    1 pt

    The forbiddenn energy gap for Germanium is of the order of

    (a) 0.7 eV

    (b) 0.3 eV

    (c) 1.1 eV

    (d) 10 eV

  • 3. Multiple Choice
    45 seconds
    1 pt

    Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?

    Boron

    Arsenic

    Indium

    Gallium

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