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The Ge behaves as semiconductor even tho...

The Ge behaves as semiconductor even though all electrons in the valence band form covalent bonds ? It is caused by the large width of

A

valence band

B

conduction band

C

forbidden band

D

none of these

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. The level formed due to impurity atom, in the for hidden energy gap, v...

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

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

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  4. The most commonly used semiconductors are

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

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  6. The conductivity of semiconductors

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

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  8. A pure semiconductor

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  9. Majority carries in semiconductor are

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  10. In a semiconductor, the mobility of holes is

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

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

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  13. Doping materials are called impurities, because they

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

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

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

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

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  18. When N-type of semiconductor is heated

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

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  20. The resistivity of a semiconductor at room temperature is in bet...

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