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How does electrical conductivity of semi...

How does electrical conductivity of semiconductors vary with temperature?

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The electrical conductivity of semiconductor is

How does the electrical conductivity of super- conductors vary with temperature ?

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

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.

The electrical resistivity of a semiconductor :

How does the conductivity of a semiconductor change if its temperature is raised ?

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.

when the electrical conductivity of a semiconductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

AAKASH SERIES-SEMICONDUCTOR DEVICES-Exercise (very Short answer questions)
  1. What is the ratio of number density of free electron and hole in a p-t...

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  2. What is the ratio of n(p) to n(e) , in an n-type semi conductor?

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  3. How does electrical conductivity of semiconductors vary with temperat...

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  4. What is p-n junction diode ? Define depletion layer.

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  5. What are 1) forward bias and 2) reverse - bias?

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  6. What happens to the width of depletionlayer ofa p-n-junction when it i...

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  7. To forward-bias a diode, its p-type is to be connected to the positive...

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  8. To reverse -bias a diode, its p-type is to be connected to the negativ...

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  9. Which type of biasing gives a semi-conductor diode very high resistanc...

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  10. Can the potential barrier across a p - n junction be measured by simpl...

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  11. Which type of break down results due to strong electric fields at the ...

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  12. Is it correct to say that a diode behaves like a closed switch in the ...

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  13. What is the use of a Zener diode?

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  14. In which bias zener diode characteristic is same as that of function d...

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  15. Distinguish half wave and full wave rectifiers

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  16. In half-wave rectification, what is the output frequency if the input ...

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  17. Can a zener diode be used in place junction diode in rectifier circuit...

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  18. What is a transistor ? i)What is a transistor ? ii) In an n-p-n tr...

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  19. Draw the circuit symbols for p-np and n-p-n transistors.

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  20. Define amplifier and amplification factor.

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