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If there is no hole current in a substan...

If there is no hole current in a substance, if must be

A

an insulator

B

a conductor

C

an n-type semiconductor

D

a p-type semiconductor

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The correct Answer is:
B
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. In a pure conductor, the value of the forbidden energy gap is

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  2. The forbidden energy gap in a semiconductor is of the order of

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  3. If there is no hole current in a substance, if must be

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  4. Which one of the following is an amorphous solid?

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  5. In an insulator, the forbidden energy gap between the valence band and...

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  6. What is the forbidden energy gap (in joule) for a Germanium crystal ?

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  7. The band of maximum energy in which electrons are present is called th...

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  8. The for bidden gap in the energy bands of sillcon is

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  9. At absolute zero temperature the forbidden gap of conductor is

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

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

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

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

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

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

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

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  17. The most commonly used semiconductors are

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

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  19. The conductivity of semiconductors

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

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