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In insulators (C.B. is conduction band a...

In insulators (C.B. is conduction band and V.B. is valence band)

A

V.B. is partially filled with electrons.

B

C.B. is partially filled with electrons.

C

C.B. is empty and V.B. is filled with empty.

D

C.B is filled with electrons and V.B is empty.

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The correct Answer is:
C
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TARGET PUBLICATION-SEMICONDUCTORS-Competitive thinking
  1. In a semiconductor,

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  2. In a good conductor the energy gap between the conduction band and the...

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  3. In insulators (C.B. is conduction band and V.B. is valence band)

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  4. The energy gap in case of which of the following is less than 3 eV?

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  5. Energy band in solids are a consequence of

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  6. The band gap of an insulator, conductor and semiconductor are respecti...

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  7. Three semi-conductor are arranged in the increasing order of their ene...

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  8. Assertion : The energy gap between the valence band and conduction ban...

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  9. To a germanium sample, traces of gallium are added as an impurity. The...

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  10. When phosphorus and antimony are mixed in germanium, then

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  11. Intrinsic semiconductor is electrically neutral. Extrinsic semiconduct...

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  12. In extrinsic semiconductors-

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  13. Serious draw back of the semiconductor device is

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  14. The density of an electron-hole pair in a pure germanium is 3xx 10^(1...

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  15. A semiconductor has equal electron and hole concentration of 2xx10^(8)...

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  16. The majority charge carriers in P -type semiconductor are

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  17. A P -type semiconductor can be obtained by adding

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  18. P-type semiconductors are made by adding impurity element

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  19. In a n-type semiconductor, which of the following statement is true?

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  20. If n(e) and n(h) are the number of electrons and holes in a semiconduc...

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