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Which of the following is true?...

Which of the following is true?

A

Common base transistor is commonly used because current gain is maximum

B

Common emitter is commonly used because current gain is maximum

C

Common collector is commonly used because current gain is maximum

D

Common emitter is the least used transistor

Text Solution

Verified by Experts

The correct Answer is:
B
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A2Z-SEMICONDUCTOR ELECTRONICS-Junction Transistor
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  2. In the case of constant alpha and beta of a transistor

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  3. Which of the following is true?

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  4. A triode has a plate resistance of 10 k Omega and amplification factor...

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  5. If alpha=0.98 and current through emitter i(e)=20 mA, the value of bet...

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  6. In a PNP transistor working as common-base amplifier, current gain is ...

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  7. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

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

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  9. In a common emitter transistor, the current gain is 80. What is the ch...

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  10. Least doped region in a transistor

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

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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 transistor the parameter beta=99. The value of the parameter alp...

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  14. In a PNP transistor the base is the N-region. Its width relative to th...

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  15. A common emitter amplifier is designed with NPN transistor (alpha=0.99...

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  16. The symbol given in figure represents

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  17. An NPN-transistor circuit is arranged as shown in figure. It is

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  18. The part of a transistor which is heavily doped to produce a large num...

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  19. For a transistor the current amplification factor is 0.8. The transist...

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  20. In a common base amplifier circuit, calculate the change in base curre...

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