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For a reverse bias P-N junction-...

For a reverse bias P-N junction-

A

P region is positive and current is due to electrons

B

P region is positive and the current is due to holes

C

P region if negative and the current is due to electrons

D

P region is negative and current is due to both electrons and holes

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The correct Answer is:
D
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RESONANCE-SEMICONDUCTORS-Exercise
  1. The diffusion current in a p-n junction is

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

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  3. For a reverse bias P-N junction-

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

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

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

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

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

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

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

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

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  13. If V(A) and V(B) denote the potentials of A and B, then the equivalent...

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  14. Avalanche breakdown is due to

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

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  16. Symbolic representation of photodiode is

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  17. Symbol of zener diode-

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  18. Consider the following statements A and B and identify the correct ans...

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  19. Two junction diodes, one of germanium (Ge) and other of silicon (Si) ...

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  20. When light falls on a photo diode, its conductivity increases. Experim...

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