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N-type semiconductors will be obtained, ...

`N`-type semiconductors will be obtained, when germanium is dopped with

A

Phosphorus

B

Alluminium

C

Arsenic

D

Both `(a)` and (c)`

Text Solution

Verified by Experts

The correct Answer is:
D
Phosphorus and Arsenic both are pentavalent.
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A2Z-SEMICONDUCTOR ELECTRONICS-Classification Of Metals
  1. If n(e) and n(h) are the number of electrons and holes in a semiconduc...

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  2. An N-type and P-type silicon can be obtained by dopping pure silicon w...

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  3. N-type semiconductors will be obtained, when germanium is dopped with

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  4. For germenium crystal, the forbidden energy gap in joules is

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  5. A pure semiconductor behaves slightly as a conductor at

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  6. P-type semiconductors are made by adding impurity element

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  7. At room temperature, a P-type semiconductors has

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  8. A piece of semiconductors is connected in sereis in an electric circui...

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  9. The valence of an impurity added to germanium crystal in order to conv...

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  10. A semiconductor is known to have an electron concentric of 8xx10^(13)/...

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  11. In P-type semiconductor, there is

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  12. The velence of the impurity atom that is to the be added to garmenium ...

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  13. Which of the following energy band diagrams shows the N-type semicondu...

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  14. If n(e) and n(h) be the number of electrons and drift velocity in a se...

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  15. The energy gap of silicon is 1.14 eV. The maximum wavelength at which ...

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  16. A Ge specimen is doped with Al. The concentration of acceptor atoms is...

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  17. The electron mobility in N-type germanium is 3900cm^(2)//v-s and its c...

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  18. In a semiconducting material the mobilities of electrons and holes are...

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  19. Which of the energy band diagrams shown in the figure corresponds to t...

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

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