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PN-junction diode works as a insulator, ...

`PN`-junction diode works as a insulator, if connected

A

to a.c.

B

in forward bias

C

in reverse bias

D

None of these

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The correct Answer is:
C
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RESONANCE-SEMICONDUCTORS-Exercise
  1. A device whose one end is connected to -ve terminal and other end conn...

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

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

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

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

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

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

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  8. Avalanche breakdown is due to

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

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  10. Symbolic representation of photodiode is

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  11. Symbol of zener diode-

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

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

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

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  15. If the forward voltage in a semiconductor diode is chaged form 0.5 V t...

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  16. When the reverse potential in a semiconductor diode are 10 V and 30 V,...

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  17. If the frequency of input alternating potential in n, then the ripple ...

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  18. The current flowing through the zener diode in fig is-

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  19. Function of rectifier is

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  20. The electrical circuit used to get smooth dc output from a rectifier c...

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