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On increasing the temperature, the speci...

On increasing the temperature, the specific resistance of

A

increases for both

B

decreases for both

C

increases, decreases

D

decreases, increases

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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 conduction band and valence band in a good conductor

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  2. At absolute zero , Si acts as

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  3. On increasing the temperature, the specific resistance of

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

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

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

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

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  8. The intrinsic semi conductor behaves as insulator at

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  9. The energy gap for an insulator may be

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

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

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

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

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

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

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

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

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  18. Which of the following statements is not true?

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

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  20. Pick out the incorrect statement

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