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In semiconductors at a room temperature...

In semiconductors at a room temperature

A

The valence band is partially empty and the conduction band is partially filled.

B

The valence band is half filled and he conduction is half dilled

C

The valence band is completely filled

D

The conduction band is completely empty

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The correct Answer is:
A
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NARAYNA-SEMICONDUCTOR ELECTRONICS-C.U.Q (INTRINSIC AND EXTRINSIC SEMICONDUCTORS)
  1. In semiconductors at a room temperature

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  2. In a n-type semiconductor, which of the following statement is true?

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  3. Carbon silicon and germanium have four valence electrons each. These a...

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  4. Identify the property which is not characteristic for a semiconductor ...

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

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  6. When phosphorus and antimony are mixed in germanium, then

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  7. An electrically neutral semiconductor has

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  8. There is no hole current in conductors because they have

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  9. In the insulators

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  10. In semiconductors the for bidden energy gap between V.B and C.B is of ...

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  11. The level formed due to impurity atom, in the for hidden energy gap, v...

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  12. The bond in semiconductors is

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  13. On increasing temperature, the conductivity of pure semiconductors

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  14. The mobility of free electrons is greater then that of free holes beca...

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  15. A semiconductor at 0 K behaves as

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  16. The valency of impurity element for making p-type semiconductors is

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  17. In n-type semiconductors the electron concentration is equal to

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  18. Which of the following statement is not true ?

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  19. p-type semi conduor is

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  20. An n-type semi- conductor is

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