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Define current gain ratio (alpha) in com...

Define current gain ratio `(alpha)` in common base mode.

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BINA LIBRARY-ELECTRONIC DEVICES-EXERCISE
  1. Name the diode for which output voltage is a regulated voltage.

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  2. Why is the base of a transistor thin and low doped?

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  3. Define current gain ratio (alpha) in common base mode.

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  4. Define current gain ratio (beta) in common emitter node.

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  5. State the relation between transistor parameters alpha and beta.

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  6. How does the dc current gain of a transistor change, if the width of t...

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  7. What is meant by active region of a transistor?

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  8. What is the phase difference-between velocity and displacement ?

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  9. What is a truth table?

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  10. Write the truth table for the combination of gates shown.

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  11. Write two different uses of concave mirrors

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  12. Name the type of mirror which always forms a virtual and diminished im...

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  13. Why is convex mirror used as a rearview mirror in vehicles?

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  14. If an object is placed at the focus of a concave mirror, where is the ...

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  15. Write two difference between real and virtual image?

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  16. What is a photodiode? Explain its working principle.

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  17. What is a solar cell?

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  18. The angle between an incident ray and the mirror is 40°. What is the a...

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  19. The angle between an incident ray and the mirror is 40°. what is the a...

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  20. The angle between an incident ray and the mirror is 40°. What is the t...

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