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Why does a ray of light bend when it tra...

Why does a ray of light bend when it travels from one medium into another?

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BINA LIBRARY-ELECTRONIC DEVICES-EXERCISE
  1. What is NOT gate. Give its truth table.

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  2. What is semiconductors? Give examples.

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

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  4. What is lens maker's formula?

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  5. What is convex lens ?

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

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

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

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

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

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  11. When does static friction come into play ?

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

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

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

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  15. The current flowing through forward biased diode is 20 mA. The emf of ...

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  16. A 10v zener diode along with a series resistance is connected across a...

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  17. A transistor has alpha = 0.95 . If the emitter current is 10 mA , what...

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  18. A transistor has alpha = 0.95 . If the emitter current is 10 mA , what...

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  19. A transistor has alpha = 0.95 . If the emitter current is 10 mA , what...

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  20. In the above circuit, I(C) =1.5 mA and beta = 100.Find I(B) , V(CE) ...

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