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In the study of transistor as amplifier,...

In the study of transistor as amplifier, if `alpha=I_C/I_E` and `beta=I_C/I_B`, where `I_C,I_B` and `I_E` are the collector, base and emitter currents, then

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
`beta = (alpha)/(1 - alpha)`
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MODERN PUBLICATION-SOLIDS & SEMICONDUCTOR DEVICES-Revision Test
  1. In the study of transistor as amplifier, if alpha=IC/IE and beta=IC/IB...

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  2. Choose the forward biased p-n junction :

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  3. Choose the reverse biased p-n junction :

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  4. The forward biased characteristics of a p - n junction are :

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  5. If Ie is emitter current , Ib is base current and Ic is the collector ...

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  6. Zener diode is :

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  7. The reverse biased characteristics of a p-n junction are :

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  8. The advantage of BJT (Bipolar junction transistor) over vacuum tube tr...

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  9. For an unknown element , the thickness of forbidden band is 4.97 eV an...

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  10. At abosolute zero, a metal will behave as :

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  11. A piece aluminium and germanium each, are cooled from T1 K to T2 K . T...

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  12. One speaks of mutual characteristics in connection with L :

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  13. In a frequency modulated wave :

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  14. A small portion of Indium is incorporated is germanium . The crystal w...

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  15. In a transistor the base is made very thin and a very hightly doped ...

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  16. The safety limit of temperature for germanium and silicon are :

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  18. Power consumed by an ideal diode is :

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  19. A conductor at very high temperature becomes :

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  20. Zenor breakdown semiconductor

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