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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 base to amitter

B

electrons move from emitter to base

C

electrons move from collector to base

D

holes move from base to emitter

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Verified by Experts

The correct Answer is:
B
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RESONANCE ENGLISH-SEMICONDUCTORS-Exercise
  1. To use a transistor as an amplifier

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  2. An amplifier is nothing but an oscillator with-

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

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  4. Common emitter circuit is used as amplifier, its current gain is 50. I...

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  5. In an npn transistor the collector current is 24 mA. If 80% of electro...

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  6. Which of the following is true?

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  7. For transistor relation in current amplification factors is-

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  8. For a transistor the value of alpha is 0.9. beta value is

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  9. The current gain for a transistor working as common base amplifier is ...

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  10. In an n-p-n transistor 10^10 electron enter the emitter in 10^(-6) s. ...

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  11. In the following common emitter configuration an npn transistor with c...

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  12. An n - p- n transistor is connected in common - emitter configurarati...

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  13. In an NPN transistor the values of base current and collector current ...

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  14. In a common emitter circuit, if V(CE) is changed by 0.2 V, then collec...

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  15. Which of the following statement is not true?

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  16. The symbolic representation of four logic gates are given below. The l...

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  17. The output of OR gate is 1 :-

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  18. Following diagram performs the logic function of-

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  19. The following truth table corresponds to the logic gate

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  20. NAND gate is-

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