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A hole in a semiconductor is...

A hole in a semiconductor is

A

an excess electron

B

a missing electron

C

a missing atom

D

a donor level

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The correct Answer is:
B
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. In an insulator, the forbidden energy gap between the valence band and...

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  3. A hole in a semiconductor is

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  4. Electric conduction in a semiconductor takes place due to

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

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  6. A pure semiconductor has

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

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  8. In an intrinsic semiconductor

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

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

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

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

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

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  14. In semiconductors at a room tempreture

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

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  16. Energy band in solids are a consequence of

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  17. Which of the following is semi-conductor?

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

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

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

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