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By increasing the temperature, the speci...

By increasing the temperature, the specific resistance of a conductor and semi conductor

A

increases for both

B

decreases for both

C

increases, decreases

D

decreases, increases

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 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. By increasing the temperature, the specific resistance of a conductor ...

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  4. A solid which is transparent to visible light and whose conductivity i...

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  5. A piece of copper and a piece of germanium are cooled from te...

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  6. In a conductor, the forbidden energy gap is of the order of

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  7. In a semiconductors 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 forbidden energy gap in an insulator is of the order of

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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 is applied to a semiconductor. Let the number of cha...

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  12. Let np, and nc be the numbers of holes and conduction electrons in an ...

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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. At absolute zero temperature, a crystal of pure Germanium

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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 electrons is greater than that of holes. Because they

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