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At absolute zero , Si acts as...

At absolute zero , Si acts as

A

nonmetal

B

metal

C

insulator

D

none

Text Solution

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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. The bond that exists in a semi conductor is

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  2. The conduction band and valence band in a good conductor

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  3. At absolute zero , Si acts as

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  4. On increasing the temperature, the specific resistance of

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  5. A solid which is not transparent to visible light end whose conductivi...

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  6. A piece of copper and another of germanium are cooled from room temper...

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

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

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  9. The intrinsic semi conductor behaves as insulator at

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  10. The energy gap for an insulator may be

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

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

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

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

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

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

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

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

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  19. Which of the following statements is not true?

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

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