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Identify the property which is not chara...

Identify the property which is not characteristic for a semiconductor ?

A

at a very law temperatures, it behaves, like an insulator

B

at higher temperatures two types of charge carriers will cause conductivity

C

the charge carries are electrons and holes in the valence band at higher temperature.

D

the semiconductor is electrically neutral.

Text Solution

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The correct Answer is:
C
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NARAYNA-SEMICONDUCTOR ELECTRONICS-C.U.Q (INTRINSIC AND EXTRINSIC SEMICONDUCTORS)
  1. In a n-type semiconductor, which of the following statement is true?

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

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

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

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

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  6. An electrically neutral semiconductor has

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

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  8. In the insulators

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

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

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  11. The bond in semiconductors is

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  12. On increasing temperature, the conductivity of pure semiconductors

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

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  14. A semiconductor at 0 K behaves as

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

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

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  17. Which of the following statement is not true ?

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  18. p-type semi conduor is

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  19. An n-type semi- conductor is

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  20. An electric field is applied across a semiconductor. Let n be the numb...

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