Physics

12th

grade

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Semiconductors

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10 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

    diode

    semiconductor

    conductor

    insulator

    superconductor

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which is not one of the properties of semiconductor?

    4 electrons in outermost orbit, in covalent bonding.

    atoms vibrate causes electron to break free from the bonds.

    Electron free leaves hole.

    Semiconductor has 2 types of charge carriers.

    all of the above are the properties of it

  • 3. Multiple Choice
    30 seconds
    1 pt

    These are the characteristics of Trivalent impurities except

    •3 valence electrons

    •produce p-type semiconductors

    •producing a "hole".

    Antimony, arsenic, and phosphorus are the examples

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