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To use a transistor as an amplifier...

To use a transistor as an amplifier

A

the emitter base junction is forward biased and the base collector junction is reverse biased

B

no bias voltage is required

C

both junctions are forward biased

D

both junctions are reverse biased.

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The correct Answer is:
A
Transistor as an amplifier, emitter base forward biased and collector base reverse biased.
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DISHA PUBLICATION-SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
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  2. A potential barrier of 0.3 V exists across a p-n junction. An electron...

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  3. To use a transistor as an amplifier

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  4. Current gain of a transistor in common base mode is 0.95. Its value in...

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  5. A transistor has three impurity regions , emitter , base and collector...

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  6. In a common-base amplifier, the phase difference between the input sig...

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  7. The current gain beta may be defined as

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  8. When n-p-n transistor is used as an amplifier

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  9. Which of the following relation holds true regardless of circuit confi...

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  10. If the given transistor is used as an amplifier then for input resista...

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  11. When the base current in a transistor is changed from 30 mu Ato 80 mu ...

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  12. A transistor is connected in common emitter configuration. The collect...

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  13. A pnp transistor is used in common-emitter mode in an amplifier circui...

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  14. In a npn transistor 10^(10) electrons enter the emitter in 10^(–6) ...

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  15. The current gain alpha of a transistor in common base mode is 0.995 . ...

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  16. A working transitor with its three legs marked P, Q and R is tested us...

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  17. A transistor has beta = 40. A change in base current of 100muA, produc...

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  18. A transistor has a base current of 1 mA and emitter current 90 mA. The...

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  19. In a common emitter transistor amplifier, beta=60, R(0)=5000Omega and ...

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  20. The current gain in transistor in common base mode is 0.99. To change ...

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