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For transistor relation in current ampli...

For transistor relation in current amplification factors is-

A

`alpha = (beta)/(1 - beta)`

B

`beta = (alpha)/(1 - alpha)`

C

`alpha = (1+beta)/(beta)`

D

`beta = (1+alpha)/(alpha)`

Text Solution

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The correct Answer is:
B
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ALLEN -SEMICONDUCTORS-Part-3(Exercise-1)
  1. A common emitter circuit is used as an amplifier, its current gain is ...

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  2. In which case is the junction diode is not reverse bias-

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  3. For transistor relation in current amplification factors is-

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  4. In a full wave rectifier if input freq, is 50 Hz then output nipple fr...

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  5. What is the ratio of forward and reverse resistance of p-n junction di...

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  6. Increasing forward voltage in diode, the width of depletion layer is …...

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  7. In an NPN transistor the collector current is 10 mA. If 90% of electro...

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  8. A npn transistor conducts when

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  9. For pure ''Ge'' semiconductor quantity of ''e'' and hole is 10^(19) e...

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  10. In given diagram which p-n junction in reverse biased

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  11. In a p-n junction diode having depletion layer of thickness 10^(-6)m, ...

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  12. A Ge specimen is doped with Al. The concentration of acceptor atoms is...

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  13. Assuming that the junction diode is ideal the current through the diod...

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  14. When two semiconductor of p and n type are brought in to contact, they...

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  15. In a forward biased PN- junction diode, the potential barrier in the d...

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

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  17. For a transistor (I(C))/(I(E))=0.96, then current gain for common emit...

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  18. A transistor has an alpha = 0.95 It has change in emitter current of 1...

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  19. For a transistor I(e) = 25 mA and I(b) = 1mA. The value of current gai...

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  20. In Boolean algebra A + B = Y implies that :

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