Objective Questions on Energy Band in Silicon

  1. A germanium atom contains

    Under construction.

  2. The total energy of an electron in an atom will be maximum when it is

    Under construction.

  3. The forbidden energy gap for silicon is

    Under construction.

  4. An electron in the conduction band

    Under construction.

  5. When atoms are held together by the sharing of valance electrons

    Under construction.

  6. Which of the following element has four valance electrons ?

    Under construction.

  7. Which of the following is acceptor impurity element ?

    Under construction.

  8. The forbidden energy gap between the valance band and conduction band will be wide in case of

    Under construction.

  9. Free electrons exist in

    Under construction.

  10. The forbidden gap for germanium is

    Under construction.

  11. An insulator will conduct when the

    Under construction.

  12. The forbidden energy gap between the valance band and conduction band will be least in case of

    Under construction.

  13. The energy gap in a semiconductor

    Under construction.

  14. For insulators the energy gap is of the order of

    Under construction.

  15. The crystal structure of silicon is

    Under construction.

  16. The atomic number of silicon 14. It can be therefore concluded that

    Under construction.

  17. A doped semiconductor is called

    Under construction.

  18. Which of the following results in the movement of a hole?

    Under construction.

  19. Excess minority carriers are the carriers that are

    Under construction.

  20. Addition of a small amount of antimony to germanium will result in

    Under construction.