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Draw a PN-Junction with reverse bias....

Draw a PN-Junction with reverse bias.

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Draw a circuit diagram with a p-n junction atreverse bias.

Explain how the width of depletion layer in p-n junction diode changes when the junction is reverse biased.

What happens to the thickness of the depletion layer in p-n junciton when reverse bias is increased?

What is a p-n junction ? Explain with the help of a diagram, how depeletion layer is formed near the junction. Also explain what happens to this layer, when the junction is reversed biased.

P-N junction is:

PUNJAB BOARD PREVIOUS YEAR PAPERS-Semiconductor Devices-Exercise
  1. State the factors, which controls wavelength of light, emitted by a LE...

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  2. What do you mean by depletion region in a p-n junction ?

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  3. Draw a PN-Junction with reverse bias.

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  4. Write briefly, how a Zener diode acts as voltage regulator.

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  5. Write in brief about Photo-diodes.

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  6. Explain the terms depletion layer

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  7. Explain the terms potential barrier for a junction diode.

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  8. In a transistor, base is made very thin.Explain.

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  9. Why a transistor cannot be used as a rectifier ?

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  10. The resistance of a p-n junction is low, when forward biased and is hi...

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  11. What is photo cell ? State its three applications.

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  12. Write briefly, how a Zener diode acts as voltage regulator.

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  13. Why does the thickness of depletion layer of pn-junction increases in ...

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  14. What is a solar cell ? How does it work ? Write its one use.

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  15. Explain how the depletion layer and barrier potential are formed in pn...

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  16. Explain forward bias and reverse bias of the junction diode.

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  17. With the help of circuit diagram explain working of junction diode as ...

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  18. With the help of labelled circuit diagram, explainthe working of trans...

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  19. With the help of circuit diagram, explain the working of transistor as...

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  20. With the help of circuit diagram, explain the working of transistor as...

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