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Zener diode is used as...

Zener diode is used as

A

Rectification

B

Stabilisation

C

Amplification

D

producing oscillations in an oscillator

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The correct Answer is:
B
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Zener diode is used in reverse bias. When its reverse bias is increased, how does the thickness of the depletion layer change?

Assertion : Zener diode is used to obtain voltage regulation Reason : When Zener diode is operated in reverse bias, after a certain voltage (breakdown voltage) the current suddenly increases.

Zener diode is used for

A Zener diode

A Zener diode when used as a voltage regulator is connected (a) in forward bias (b) in reverse bias ( c) in parallel to the load (d) in series to the load.

RESONANCE-SEMICONDUCTORS-Exercise 3
  1. In semiconductor at a room temperature

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  2. The output of OR gate is 1

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  3. Zener diode is used as

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  4. Carbon , silicon and germanium have four valence elcectrons each . The...

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  5. Application of a forward biase to a p-n junction:

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  6. A transistor -oscillator using a resonant circuit with an inductor L (...

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  7. A transistor is operated in common emitter configuration at constant c...

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  8. A forward biased diode is

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  9. A photocell employs photoelectric effect to convert

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  10. The radius of germanium (Ge) nuclide is measured to be twice the radiu...

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  11. Semiconductor Ge has forbidden gap of 1.43 eV. Calculate maximum wavel...

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  12. In the following circuit, the output Y for all possible inputs A and B...

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  13. In the energy band diagram of a material shown below, the open circles...

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  14. A common emiiter amplifier has voltage gain 50 and current gain is 25....

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  15. Draw the truth table for the logic gate arrangement shown in the figur...

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  16. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

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  17. The circuit is equivalent to

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  18. (a) For given transistor circuit, the base current is 10muA and the co...

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  19. A p-n photodiode is fabricated from a semiconductor with a band gap of...

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  20. The symbolic representation of four logic gates are given in Fig.The l...

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