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For a common-emitter, amplifier current gain is 60. If the emitter current is 7.7mA, calculate the base current and collector current. Also calculate current gain, when the ame transistor is working as common-base amplifier?

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CHETANA PUBLICATION-Semiconductor-EXERCISE
  1. IN an NPN transistor,

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  2. In a transistoIn a transistor if beta = 100 and collector current is 1...

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  3. The value of prop of a transistor is

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  4. In a transistor, the base current is about of emitter current

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  5. Select and write the correct answer : Photo-diode is operated with

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  6. Which gate corresponds to the action of parallel switches

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  7. The part of a transistor, which is heavily doped to produce a large nu...

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  8. Zener diode is used for:

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  9. How is the n-p-n transistor represented symbolically ?

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  10. What kinds of biasing are required to the collector and base of a tran...

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  11. Draw the logic symbol for a NAND gate

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  12. Distinguish between a half-wave rectifier and full-wave rectifier

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  13. Draw block diagram of simple rectifier circuit

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  14. Why do we need filters in a power supply?

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  15. State any two advantages and disadvantages of photodiode?

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  16. Define current ratio alpha and beta for transistor

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  17. Calculate emitter current for which beta =100 and base current IB = 20...

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  18. For a common-emitter, amplifier current gain is 60. If the emitter cur...

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  19. Explain the construction and working of Aled.

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  20. Explain through a labelled circuit diagram the working of a transistor...

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