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Which is the wrong statement from the fo...

Which is the wrong statement from the following?

A

To get a p - type semiconductor, Si should be doped with a pentavalent impurity

B

Electrons are the majority carriers in an n-type semiconductor

C

A p-n junction is used in a rectifier

D

The resistance of an intrinsic semiconductor decreases with increase in temperature

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The correct Answer is:
A
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MARVEL PUBLICATION-SEMICONDUCTORS -MCQs
  1. The specimen of an intrinsic semiconductor contains 1.2xx10^15 holes/m...

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  3. Which is the wrong statement from the following?

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  4. In pure semiconductor, the number of conduction electrons is 6 xx 10^1...

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  5. A semiconductor is known to have an electron concentration of 6xx10^(1...

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  6. Choose the false statement from the following

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  7. When the conductivity of a semiconductor is only due to breaking of co...

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  8. The energy band diagrams for three semiconductor samples of silicon ar...

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  9. In case of a semiconductor, which of the following statement is wrong?

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  10. Intrinsic semiconductor is electrically neutral. Extrinsic semiconduct...

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  11. The maximum wavelength of electromagnetic radiation, which can create ...

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  12. In a pure silicon (n(i)=10^(16)//m^(3)) crystal at 300K, 10^(21) atoms...

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  13. There are two Ge crystals A and B. Few aluminium atoms are added to A...

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  14. By increasing the temperature , the specific resistance of a conductor...

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  15. In semiconductors at a room temperature

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  16. Which of the following , when added as an impurity, into the silicon, ...

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  17. A semiconductor has phosphorus as impurity, then it will have

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  18. The conductivity of a semiconductor increases with increase in tempera...

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  19. In a P -type semi-conductor, germanium is dopped with

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

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