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Draw the circuit diagram of an illuminat...

Draw the circuit diagram of an illuminated photodiode in reverse bias? How is photodiode used to measure light intensity?

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Draw a circuit diagram showing the biasing of a photodiode.

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Statement-I : A p-n junction with reverse bias can be used as a photodiode to measure light intensity. Statement-II : In a reverse bias condition the current in small but it is more sensitive to changes in incident light intensity.

Why are photodiodes used preferably in reverse bias condition?

Assertion : Photodiode current work in reverse bias. Reason : Change in diode increases with increase in intensity .

PRADEEP-ELECTRONIC DEVICES-Exercise
  1. In the following diagram, which bulb out of B(1) and B(2) will glow an...

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

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

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

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

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

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

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

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

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  10. Discuss briefly the concept of an amplifier.

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

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

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

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

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  15. How is NOT gate realised? Explain.

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

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

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

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

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

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