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Mention the important considerations req...

Mention the important considerations required while fabricating a p-n junction diode to be used as light emitting diode (LED). What should be the order of the band gap of an LED if it is required to emit light in the visible region.

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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. Draw the circuit diagram of an illuminated photodiode in reverse bias?...

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

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

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

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

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

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

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  8. Discuss briefly the concept of an amplifier.

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

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

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

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

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  13. How is NOT gate realised? Explain.

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  14. What is logic gate? Distinguish between AND and OR gates.

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  15. What are main logic gates? How many types are they? Draw their symbols...

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  16. Two signals A, B as given below are applied to (i) AND (ii) NOR and (i...

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  17. Give the logic symbol, Boolean expression and truth table of NAND gate...

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  18. Identify the logic gate equivalent to the circuit shown in the Fig.Dra...

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  19. Discuss an integrated circuit. Explain the meaning of SSI, MSI, LSI an...

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  20. What is integrated circuit ? Discuss the advantages of integrated circ...

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