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A transistor is operated in common emitt...

A transistor is operated in common emitter configuration at `V_(c)=2 V` such that a change in the base current from `100 muA` to `200 muA` produces a change in the collector current from `5 mA` to `10 mA`. The current gain is

A

100

B

150

C

50

D

75

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
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  5. If the lattice parameter for a crystalline structure is 3.6Å, then the...

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  6. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

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

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  8. A common emitter amplifier has a voltage gain of 50, an input impedanc...

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  9. For a cubic crystal structure which one of the following relations ind...

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

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  11. A forward biased diode is

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

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  13. Zener diode is used for

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  14. Carbon, silicon and germanium atoms have four valence electrons each. ...

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  16. Copper has face centred cubic (fc c) lattice with interatomic spacing ...

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  17. The cations and anions are arranged n alternate form in:

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  18. In semiconductors at a room temperature

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  19. In good conductors of electricity, the type of bonding that exists is

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  20. In an insulator, the forbidden energy gap between the valence band and...

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