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Electric conduction in a semiconductor t...

Electric conduction in a semiconductor takes place due to

A

electrons only

B

holes only

C

both

D

none

Text Solution

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The correct Answer is:
C
NA
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CP SINGH-SEMICONDUCTORS-Exercises
  1. In an insulator, the forbidden energy gap between the valence band and...

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  2. A hole in a semiconductor is

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  3. Electric conduction in a semiconductor takes place due to

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  4. In a semiconductor, (i)there are no free elctrons at 0K (ii) there...

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  5. A pure semiconductor has

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  6. when the electrical conductivity of a semiconductor is due to the brea...

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  7. In an intrinsic semiconductor

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  8. Let n(p) and n(e), be the numbers of holes and condution electrons in ...

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  9. If tempreture is increased, the number of electron-hole pairs increase...

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  10. A strip of copper and another of germanium are cooled from room tempre...

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  11. An electric field us applied to a semiconductor.Let the number of char...

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  12. Solids having highest energy level partially filled with electrons are

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  13. In semiconductors at a room tempreture

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  14. The state of the energy gained by valence electrons when the temperatu...

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  15. Energy band in solids are a consequence of

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  16. Which of the following is semi-conductor?

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  17. Carbon , silicon and germanium have four valence elcectrons each . The...

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  18. Carbon , silicon and germanium have four valence electrons each . At r...

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  19. C and Si both have same lattice structure, having 4 bonding electrons ...

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  20. The difference in the variation of resistance with temperature in a me...

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