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If alpha and beta current gains in commo...

If `alpha` and `beta` current gains in common-base and common-emitter configuration of a transistor, then `beta` is equal to

A

`(1)/(alpha)`

B

`(alpha)/(1+alpha)`

C

`(alpha)/(1-alpha)`

D

`alpha-(1)/(alpha)`

Text Solution

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The correct Answer is:
C
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-SOLID AND SEMICONDUCTOR DEVICES-Exercise
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  2. The truth table given below represents

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  3. If alpha and beta current gains in common-base and common-emitter conf...

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  4. The following circuit represents:

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  5. In P-type semiconductor the majority and minorty charge carriers are r...

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  6. In forward bias, the width of potential barrier in a P-N junction diod...

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  7. Depletion layer consists of

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  8. In junction diode, the holes are due to

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  9. Which of the following when added as an impurity into silicon produces...

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

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

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  12. A semiconducting device is connected in a series circuit with a batter...

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  13. The cause of the potential barrier in a p-n diode is:

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  14. The following truth table belongs to which of the following four gates...

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  15. The relation between alpha and beta parameters of current gains for a ...

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  16. The diode used in the circuit shown in the figure has a constant volta...

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  17. To obtain a P-type germanium semiconductor, it must be dopped with

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  18. When arsenic is added as an impurity to silicon, the resulting materia...

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  19. The current gain for a transistor working as a common-base amplifier i...

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  20. When N-P-N transistor is used as an amplifier-

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