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When npn transistor is used as an ampli...

When npn transistor is used as an amplifler

A

electrons move from base to collector

B

electrons move form emitter to base

C

electrons move from collector to base

D

holes move from base to emitter

Text Solution

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The correct Answer is:
B
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
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  3. When npn transistor is used as an amplifler

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  4. In a common emitter amplifier , the input resistance is 200 Omega and ...

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  5. In which of the transistor configurations, the voltage gain is highest...

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  6. In a common emitter amplifier , the input resistance is 1 Omega and lo...

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  7. For a transistor, the current amplification factor is 4. when the tran...

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  8. For a transistor in common emitter configuration, the current amplific...

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  9. For a common emitter configuration , the base current is 60 muA and th...

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  10. The reverse currents corresponding to reverse voltages 10 V and 20 V a...

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  11. In an n-p-n transistor , the base current is 100 muA and the collecto...

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  12. The knee voltage of a p-n junction diode is 0.8 V and the width of the...

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  13. If the forward bias voltage of a p-n junction diode is changed form 0....

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  14. The collector supply in a common emitter amplifier is 8 V and the volt...

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  15. In an n-p-n transistor, the current gain for common emitter configurat...

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  16. The current gain of a transistor in common emitter configuration is 80...

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  17. In a transistor 10^(8) electrons enter at the emitter in 10^(-4) s, ou...

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  18. In the common emitter configuration of n-p-n transistor 10^(10) electr...

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  19. The current gain of the amplifier in the common emitter configuration ...

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  20. A common emitter amplifier has current gain 70. Its load resistance is...

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