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Explain with the help of a diagram, how ...

Explain with the help of a diagram, how depletion region and potential barrier are formed in a junction diode.
If a small voltage is applied to a p-n junction diode how will the barrier potential be affected when it is (i) forward biased and (ii) reverse biased?

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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. What is p-n junction? How is a p-n junction made? How potential barrie...

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  2. Explain the formation of depletion layer and potential barrier in p-n ...

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  3. Explain with the help of a diagram, how depletion region and potential...

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  4. Using the necessary circuit diagram, show how the V-I characteristics ...

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  5. Explain briefly with the help of necessary diagram, the forward and th...

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  6. Draw a circuit diagram of a full-wave rectifier. Explain its working p...

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  7. In the following diagram, which bulb out of B(1) and B(2) will glow an...

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  8. The diagram Fig.12 shown a piece of pure semiconductor S in series wit...

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  9. Draw the circuit diagram of an illuminated photodiode in reverse bias?...

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  10. What is light emitting diode (LED) ? Mention two important advantages ...

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  11. Mention the important considerations required while fabricating a p-n ...

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  12. Give reasons for the following: (i) High reverse voltage do not appe...

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  13. Write the function of three segments of a transistor.

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  14. Sketch the three modes of study of n-p-n junction transistor.

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  15. Explain that a transistor can be used as a switch.

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  16. Discuss briefly the concept of an amplifier.

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  17. Draw a circuit diagram of a transistor amplifier in CE configuration. ...

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  18. Explain the advantages and disadvantages of semiconducting devices com...

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  19. Give the logic symbol, truth table and Boolean expression for OR gate....

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  20. Give the logic symbol, truth table and Boolean expression for AND gate...

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