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When a n-p-n transistor is used as an am...

When a n-p-n transistor is used as an amplifier, then

A

Electrons move from collector to base

B

Holes move from collector to base

C

Holes move from base to collector

D

Electrons move from emitter to base

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

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  2. The peak voltage in the output of a half wave diode rectifier fed with...

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  3. When a n-p-n transistor is used as an amplifier, then

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  4. An oscillator is nothing but an amplifier with

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  5. The correct relationship between the two current gains alpha and beta ...

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  6. The transfer ratio of a transistor is 50. The input resistance of the...

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  7. For a common emitter circuit if l(C)/l(E) = 0.98 then current gain for...

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  8. In an n-p-n transistor working in active mode, the depletion region

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

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  10. In an n-p-n transistor working in active mode, the depletion region

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  11. A transistor has a current amplification factor of 60. In a CE amplifi...

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  12. To use a transistor as an amplifier

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  13. In a common emitter configuration base current is 40 mu A and current ...

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  14. Which of the following gates correspond to the truth table given belo...

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  15. A truth table is given, which of the following has this type of truth ...

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  16. The given symbol represents

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  17. Which of the following gates will have an output of 1?

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  18. Following diagram performs the logic function of

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  19. The output of OR gate is 1 :-

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  20. In the figure shown if A = 1 and B = 0 then y will be

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