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Which of the following statements is not...

Which of the following statements is not true?

A

the resistance of intrinsic semiconductors decreases with increase of temperature

B

doping pure Si with trivalent impurities give p-type semiconductors

C

the majority charge carries in n-type semiconductors are holes

D

a p-n junction can act as a semiconductor diode

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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. At absolute zero temperature, a crystal of pure Germanium

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

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  3. Which of the following statements is not true?

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  4. The mobility of electrons is greater than that of holes. Because they

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  5. Pick out the incorrect statement regarding reverse saturation current ...

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

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  7. A pure semi conductor has

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  8. The conductivity of semi conductors like Si or Ge

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  9. A doped semiconductor is

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  10. The potential in the depletion layer is due to

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  11. A hole is

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  12. The donor impurity to be added for doping germanium crystal, will be o...

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  13. A P-type semiconductor can be formed by doping Si or Ge with

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  14. An n-type semi conductor can be formed by doping Si or Ge with

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  15. An-type and P-type silicon can be obtained by doping pure silicon with

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  16. At room temperature, a p-type semiconductor has

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  17. In an n-type semiconductor, the fermi energy level lies

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  18. The band diagrams of three semiconductors are given in the figure. Fro...

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  19. The element that can be used as an acceptor impurity to doped silicon ...

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  20. In extrinsic semiconductors

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