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The condictivity of a semiconductor inc...

The condictivity of a semiconductor increaes with incrase in temperature ,because

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The conductivity of a semiconductor increases with increase in temperature because

The conductivity of a semiconductor increases with increase in temperature because

The conductivity of a semiconductor increases with increase in temperature because

Assertion (A) : The electrical conductivity of a semiconductor increases with increase in temperature. Reason (R ) : With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

In a semiconductor,

The conductivity of a semiconductor depends upon

why does the electrical conductivity of semiconductors increase with rise in temperature?

Statement I : Electrical conductivity of semiconductors increases with rise in temperature. Statement II : There is a small energy gap between conduction band and valence band.

why does the electrical conductivity of semiconductors increse with rise in temperature?

Resistance of a conductor increases with the rise of temperature, because

AAKASH SERIES-SEMICONDUCTOR DEVICES-Exercise (Short answer questions)
  1. What is menat by intrinsic semi-conductors?

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  2. How are n-type and p-type semiconductors formed ? Give one example in ...

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  3. The condictivity of a semiconductor increaes with incrase in temperat...

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  4. Write the dependence of mobility on doping concentration and temperatu...

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  5. Define Fermi energy level. Represent Fermi level on band diagram for p...

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  6. Why is silicon preferred over germanium in the manufacture of semicond...

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  7. What is the effect of temperature on extrinsic semi conductor?

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  8. Discuss the behaviour of p-n junction. How does a potential barrier de...

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  9. Draw and explain the current -voltage (I-V) characteristic curves of a...

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  10. If the doping concentration in a P-N junction diode is increased, will...

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  11. What is a avalanche breakdown ? How does it vary with temperature ?

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  12. Zener breakdown takes place if

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  13. Describe how a semiconductor diode is used as a half wave rectifier an...

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  14. Describe the full wave rectifier and write the expression for its effi...

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  15. How does the reverse saturation current in a P-N diode vary with tempe...

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  16. Explain the reason for getting a constant reverse saturation current w...

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  17. What is a photodiode? Explain its working with a circuit diagram and d...

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  18. Draw a circuit diagram of L.E.D. What are its advantages?

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  19. Why is the collector of a transistor made wider than emitter and base ...

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  20. The transistor parameters, namely alpha and beta of a transistor are ...

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