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When phosphorus and antimony are mixed i...

When phosphorus and antimony are mixed in germanium, then

A

p-type semiconductor is formed

B

n-type semiconductor is formed

C

Both (a) and (b)

D

None of these

Text Solution

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The correct Answer is:
B
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NARAYNA-SEMICONDUCTOR ELECTRONICS-C.U.Q (INTRINSIC AND EXTRINSIC SEMICONDUCTORS)
  1. Identify the property which is not characteristic for a semiconductor ...

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

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

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  4. An electrically neutral semiconductor has

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

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  6. In the insulators

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

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

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  9. The bond in semiconductors is

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  10. On increasing temperature, the conductivity of pure semiconductors

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

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  12. A semiconductor at 0 K behaves as

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

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

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  15. Which of the following statement is not true ?

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  16. p-type semi conduor is

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  17. An n-type semi- conductor is

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

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  19. In a n-type semiconductor, the femi energy level lies

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  20. An n-type and p-type silicon can be obtained by doping pure silicon wi...

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