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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 `mu` A to 300 `mu` A produces in the collector current from 10 mA to 20 mA. The current gain is

A

50

B

75

C

100

D

25

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The correct Answer is:
A
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CHHAYA PUBLICATION-SEMICONDUCTORS AND ELECTRONICS -EXERCISE (Multiple Choice Questions )
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  5. If a small amount of antimony is added to germanium crystal

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  8. In the circuit shown in Fig 1.54 the forward bias resistances of both ...

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  9. When a p-n diode is reverse biased then

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  10. The current through the given circuit of Fig .1.56.

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  11. The impurity atoms that should be added to germenium to make it n-type...

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  12. The circuit has two oppositely connected ideal diodes in parallel. Wha...

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  14. A Zener diode having breakdown voltage equal to 15V,is used in a volta...

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  15. If the rate of doping in the emitter base and colletor of a transistor...

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  16. In the active region of a transistor the biasisng at the emitter-base ...

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  17. A transistor is used as

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  18. In an n-p-n transistor circuit collector current is 10 mA. If 90% of e...

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  19. For a transistor if (DeltaI(C))/(DeltaI(E))=0.96 then the current gain...

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  20. A transistor is operated in common-emitter configuration at V(C)=2 V ...

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