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The velence of the impurity atom that is...

The velence of the impurity atom that is to the be added to garmenium crystal so as to meke it a `N`-type semiconductor, is

A

`6`

B

`5`

C

`4`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
B
`Ge+underset ("impurity")("pentaevelent") to underset("semiconductor") (N-type)`
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  2. In P-type semiconductor, there is

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

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

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

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

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

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

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

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  13. when the electrical conductivity of a semiconductor is due to the brea...

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  14. If N(P) and N(e) be the numbers of holes and conduction electrons in a...

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

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  19. A silicon specimen is made into a P-type semiconductor by dopping, on ...

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