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If the temperature of semiconductor is i...

If the temperature of semiconductor is increased the number of electrons in the valence band will

A

increase

B

same

C

decrease

D

either 'a' or 'b'

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. At absolute zero temperature the forbidden gap of conductor is

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  2. There is a small energy gap between the conduction and valence bands o...

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  3. If the temperature of semiconductor is increased the number of electro...

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  4. In a good conductor, what is the energy gap between the conduction b...

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  5. If the temperature of semiconductor will increase then the forbiddenga...

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  6. The level formed due to impurity atom, in the for hidden energy gap, v...

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  7. The valence band and the conduction band of a substance overlap at ord...

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  8. The Ge behaves as semiconductor even though all electrons in the valen...

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  9. The most commonly used semiconductors are

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  10. The behavior of pure Ge crystal, at absolute zero temperature is that ...

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  11. The conductivity of semiconductors

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  12. The free electron model of metallic solid does not explain

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  13. A pure semiconductor

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  14. Majority carries in semiconductor are

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  15. In a semiconductor, the mobility of holes is

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  16. Which of the following is a typical example of a semiconductor ?

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  17. A hole in semiconductor is different from an electron, because it is

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  18. Doping materials are called impurities, because they

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  19. The movement of a hole is brought about by the vacancy being filled...

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  20. The electrical conductivity of p-type semiconductor is determined by t...

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