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In a transistor base is made thin and do...

In a transistor base is made thin and doped with little impurity atoms. Why?

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CP SINGH-SEMICONDUCTORS-Exercises
  1. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

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  2. The symbol given in figure represents

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  3. In a transistor base is made thin and doped with little impurity atoms...

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  4. In a normal operation of a transistor, (i) base-emitter junction is ...

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  5. Let I(E),I(C) and I(B) represent the emitter current, the collector cu...

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  6. In NPN transistor the collector current is 10mA. If 90% of electrons e...

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  7. In the study of transistors as an amplifier, if alpha=I(c)//I(c) and b...

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  8. In a transistor, a change of 8.0mA in the emitter current produced a c...

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  9. The current gain of a transistor in a common base arrangement in 0.9...

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

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  11. A transistor is operetaed in common-emitter configuration at V(c)=2V s...

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  12. The transfer ration of a transistor is 50. The input resistance of th...

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  13. For a common base configuration of PNP transistor (l(C))/(l(E))=0.98, ...

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  14. Which of the following is true?

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  15. In a common base ampifier , the phase difference between the input sig...

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  16. In the CB mode of a transistor, when the collector voltage is changed ...

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  17. In a transistor circuit shown here the base current is 35 muA. The val...

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

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  19. When npn transistor is used as an amplifler

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

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