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Which is the wrong statement in followin...

Which is the wrong statement in following sentence? A device in which P and N type semiconductors are used is more useful then a cacuum tube because-

A

power is not necessary to heat the filament

B

it is more stable

C

very less heat is producted in it

D

its efficiency is high due to a high voltage drop across the junction.

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The correct Answer is:
D
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RESONANCE-SEMICONDUCTORS-Exercise
  1. A hole diffuses from the p-side to the n-side in a p-n junction.This m...

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  2. The depletion region of a P-N diode, under open circuit condition cont...

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  3. Which is the wrong statement in following sentence? A device in which ...

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  4. The depletion layer in P-N junction region is caused by

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  5. The contact potential at the junction site in a P-N junction is-

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  6. When value of current increase in P-N junction, then the value of cont...

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  7. What accounts for the flow of charge carriers in forward and reverse b...

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  8. The barrier potential in a P-N junction is maximum in

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

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

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  11. For a reverse bias P-N junction-

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  12. Druing P-N junction formation when the electron and holes stops moving...

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  13. The value of barrier potential of P-N juntion in Ge is-

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  14. Region which have no free electron and holes in P-N junction is

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  15. A device whose one end is connected to -ve terminal and other end conn...

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  16. In a p-n junction diode, the barrier potential opposes diffusion of

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  17. PN-junction diode works as a insulator, if connected

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  18. If the forward voltage in a diode is increased, the width of the deple...

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  19. The resistance of a reverse baised P-N junction diode is about-

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  20. In which case is the junction diode is not reverse bias-

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