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In an insulator, the forbidden energy ga...

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of

A

`1MeV`

B

`0.1MeV`

C

`1eV`

D

`5eV`

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The correct Answer is:
D

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CP SINGH-SEMICONDUCTORS-Exercises
  1. In isulators

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  2. In an insulator, the forbidden energy gap between the valence band and...

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  3. In an insulator, the forbidden energy gap between the valence band and...

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  4. A hole in a semiconductor is

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  5. Electric conduction in a semiconductor takes place due to

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

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  7. A pure semiconductor has

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

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  9. In an intrinsic semiconductor

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

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

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

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

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

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  15. In semiconductors at a room tempreture

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

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  17. Energy band in solids are a consequence of

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  18. Which of the following is semi-conductor?

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

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

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