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What is an extrinsic semiconductor? Disc...

What is an extrinsic semiconductor? Discuss the working of the various types of extrinsic semiconductors with help of their energy band diagram.

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Semiconductor formed by adding trivalent or pentavalent impurity are called and extrinsic semiconductor.
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MODERN PUBLICATION-SEMICONDUCTOR ELECTRONICS METERIALS DEVICES AND SIMPLE CIRCUITS -REVISION EXERCISES (VERY SHORT ANSWER QUESTION)
  1. What is doping why it is done

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  2. Give two example of pentavalent and trivalent impurities

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  3. What is an extrinsic semiconductor? Discuss the working of the various...

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  4. How will you dope a pure silicon crystal to obtain a p type and an n t...

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  5. p-type and n-type semiconductors .

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  6. Give a comparative discussion on majority and minority carriers in n...

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  7. When a p-n junction diode is forward biased how will its barrier pot...

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  8. What do you mean by reverse biasing of a p-n diode

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  9. What is the deffect on current when a p-n diode is (i) forward biased...

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  10. What is knee voltage

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  11. What is the use of a rectifier

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  12. Give any two difference between a half wave rectifier and a full wave ...

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  13. What happens to the width of depletion layer of a p-n junction when it...

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  14. DYNAMIC RESISTANCE OF THE JUNCTION DIODE

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  15. What is the value of a ripple factor for a half wave and a full wav...

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  16. What is a zener diode how is it biased in normal operation

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  17. What is the order of reverse current in a reverse biased p-n junctio...

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  18. Name the junction diode whose I-V characteristics are shown adjoining

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  19. PHOTODIODE

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  20. Draw a p-n junction with reverse bias

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