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In a semiconductor, the separation betwe...

In a semiconductor, the separation between conduction band and valence band is of the order of

A

100 eV

B

10 eV

C

1 eV

D

0 eV

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The correct Answer is:
C
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AAKASH SERIES-SEMICONDUCTOR DEVICES-EXERCISE -I (ENERGY BANDS AND CLASSIFICATION OF SOLIDS )
  1. A piece of copper and another of germanium are cooled from room temper...

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

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  3. In a semiconductor, the separation between conduction band and valence...

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  4. The intrinsic semi conductor behaves as insulator at

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  5. The energy gap for an insulator may be

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  6. In case of a semi conductor, which one of the following statements is ...

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  7. An electric field us applied to a semiconductor.Let the number of char...

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  8. Lets npand ne be the number of holes and conduction electrons in an in...

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  9. If the two ends of a p-n junction are joined by a wire .

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  10. The drift current in a p-n junction is

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  11. The diffusion current in a p-n junction is

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  12. Diffusion current in a p-n junction is greater than the drift current ...

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  13. In an intrinsic semiconductor, the fermi energy level lies

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  14. Which of the following statements is not true?

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  15. The mobility of free electron is greater than that of free holes becau...

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  16. Pick out the incorrect statement

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  17. The value indicated by fermi-energy level in an intrinsic semiconducto...

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  18. Pure semiconductor is known as

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  19. A doped semiconductor is

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  20. The potential barrier, in the depletion layer , is due to

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