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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

holes move from emitter to base

C

electrons move from collector to base

D

holes move from base to emitter

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The correct Answer is:
A
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CP SINGH-SEMICONDUCTORS-Exercises
  1. In a transistor circuit shown here the base current is 35 muA. The val...

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  2. The transistors provide good power amplification when they are used in

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  3. When npn transistor is used as an amplifler

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  4. A common emitter amplifier has a voltage gain of 50, an input impedenc...

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  5. In a CE transistor amplifier, the audio signal voltage across the coll...

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  6. The input resistance of a common emitter transistor amplifer, if the o...

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  7. In the following common emitter configuration an NPN transistor with c...

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  8. A transistor is connected in common emmitter (CE) configuration. The c...

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  9. In the cuircuit shown here the transistor used has a current gain beta...

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  10. Which of the following is correct regarding oscillator?

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  11. The resonce frequency of the tank cuircuit of an oscillator when L=(1)...

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  12. An oscillator is nothing but an amplifier with

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  13. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

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  14. What will be the input of A and B for the Boolean expression bar((A+B)...

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  15. Which of these represents NAND gate?

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  16. The circuit is equivalent to

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

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  18. The symbolic representation of four logic gates are given in Fig.The l...

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  19. Which logic gate is represented by the following combination of logic ...

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  20. In the following combination of logic gates, the outputs of A,B and C ...

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