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The valence band and the conduction band...

The valence band and the conduction band of a substance overlap at ordinary temperatures The substance may be

A

a p-type semiconductor

B

a conductor

C

an insulator

D

an n-type semiconductor

Text Solution

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The correct Answer is:
B
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  6. The behavior of pure Ge crystal, at absolute zero temperature is that ...

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  7. The conductivity of semiconductors

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

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  9. A pure semiconductor

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  10. Majority carries in semiconductor are

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  11. In a semiconductor, the mobility of holes is

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

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

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  14. Doping materials are called impurities, because they

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

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

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  17. The electrical conductivity of intrinsic and p-type semiconductor incr...

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  18. In germanium crystal, a hole is provided by an impurity of

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  19. When N-type of semiconductor is heated

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  20. The number of electrons in the valence shell of a semiconductor is

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