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When p-n junction diode is forward biase...

When p-n junction diode is forward biased

A

the depletion region is reduced and barrier height is increased

B

the depletion region is widened and barrier height is reduced.

C

both the depletion region and barrier height are reduced

D

both the depletion region and barrier height are increased

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SEMICONDUCTOR DEVICES-EXERCISE -I (P-N JUNCTION DIODE)
  1. In a semi conductor diode, the barrier potential opposes diffusion of

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  2. The correct curve between potential and distance near P-N junction is

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  3. When p-n junction diode is forward biased

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  4. Which of the following statement is not correct when a junction diode ...

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  5. The resistance of an ideal diode in forward biased condition is

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  6. The resistance of an ideal diode in reverse biased condition is

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  7. In forward biased condition, the p-n junction diode behaves as

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  8. Reverse bias applied to a junction diode

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  9. In the middle of the depletion layer of a reverse biased p-n junction,...

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  10. Avalanche breakdown in a semiconductor diode occurs when

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  11. When a P-n junction diode is reverse biased the flow of current across...

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  12. The small currents in reverse biased condition of p-n diode are due to

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  13. A P-n junction diode can be used as

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  14. A diode as a rectifier converts

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  15. In half-wave rectifier, maximum percentage of A.C. power that can be c...

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  16. In a half-wave rectifier, the load current flows for

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  17. Maximum efficiency of a full-wave rectifier is

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  18. In a full-wave rectifier, the load current flows for

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  19. Zener breakdown occurs

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  20. At breakdown region of a Zener diode, which of the following does not ...

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