Objective Questions on Theory of Semiconductor

  1. The energy of the atoms of a semiconductor material is increased when

    Under construction.

  2. The conduction band is

    Under construction.

  3. The forbidden energy gap in semiconductor

    Under construction.

  4. Valence electrons are the

    Under construction.

  5. The type of atomic bonding most common in semiconductor is

    Under construction.

  6. In an intrinsic semiconductor, the Fermi level

    Under construction.

  7. At room temperature a semiconductor material is

    Under construction.

  8. Most commonly used semiconductor material is

    Under construction.

  9. For silicon, the energy gap at 300 K is

    Under construction.

  10. The forbidden gap for germanium is

    Under construction.

  11. The process of adding impurities to a pure semiconductor is called

    Under construction.

  12. In a N-type semiconductor, the position of Fermi-level

    Under construction.

  13. The energy gap in a semiconductor

    Under construction.

  14. In a metal

    Under construction.

  15. Impurities like boron, aluminum, gallium or indium are added to intrinsic semiconductor to form

    Under construction.

  16. The ratio of impurity atoms to intrinsic semiconductor atoms in an extrinsic semiconductor is about

    Under construction.

  17. If an electron move through a potential difference of 500 V, the energy possessed by it will be

    Under construction.

  18. At room temperature when a voltage is applied to an intrinsic semiconductor

    Under construction.

  19. At absolute zero temperature a semiconductor behaves like

    Under construction.

  20. In N type semiconductor free electrons are ____________________ carriers.

    Under construction.