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What is secondary emission?...

What is secondary emission?

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BINA LIBRARY-ELECTRONIC DEVICES-EXERCISE
  1. What is breakdown voltage of a Zener diode? Explain its use as a volta...

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  2. What is the nature of the image formed by a concave mirror if the magn...

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  3. What is secondary emission?

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  4. Which property of concave mirror is utilised for using them as shaving...

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  5. What is NOT gate. Give its truth table.

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  6. Draw a OR gate and write its truth table.

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  7. What is NOT gate. Give its truth table.

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  8. What is semiconductors? Give examples.

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  9. Why does a ray of light bend when it travels from one medium into anot...

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  10. What is lens maker's formula?

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  11. What is convex lens ?

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

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  13. Why is common emitter amplifier preferred over common base amplifier?

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  14. Why transistor can't be used as a rectifier?

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  15. If the base region of a transistor is made large as compared to the us...

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  16. If the base region of a transistor is made large as compared to the us...

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  17. When does static friction come into play ?

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  18. Identify the logic gates marked X and Y in the following figure.Write ...

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  19. Draw a diagram of show how NAND gates can be combined to obtain an OR ...

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  20. A pn junction diode when forward biased has a drop of 0.5 V and indepe...

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