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What is a Zener diode ?...

What is a Zener diode ?

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A junction diode which can operate in the reverse break down voltage region is called Zener diode
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NEW JOYTHI PUBLICATION-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -EVALUATION QUESTIONS AND ANSWER
  1. Can a transistor amplifier generate power ?

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  2. Give some properties of a semiconductor.

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  3. What is a Zener diode ?

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  4. What are the characteristics of a hole ?

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  5. Copy and complete the following block diagram .

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  6. What is meant by forbidden energy gap ?

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  7. What do you mean by fermi energy ?

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  8. What is depletion region in p-n junction ?

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  9. What will happen if both , emitter and collector of a transistor are r...

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  10. How does conductivity of a semiconductor increase ?

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  11. The forward bias of a diode is wrongly given above . a. Redraw the a...

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  12. Classify the following into conductors , insulators and semi conductor...

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  13. The magnitude of potential barrier of germanium is about 0.3 V . a W...

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  14. a. What type of biasting is used here ? b. What happens to the deple...

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  15. Why is a NOT gate known as an inverter ?

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  16. a. What type of biasting is used here ? b. What happens to the deple...

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  17. The above figures represent a p-n-p transistor and an n-p-n transistor...

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  18. In the normal working of a transistor , the emitter is forward biased ...

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  19. A transistor is being used as a common emitter amplifier . a What i...

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  20. How does the conductivity of a semiconductor change with rise in tempe...

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