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In sample of pure silicon 10^(13) "atom"...

In sample of pure silicon `10^(13) "atom"//cm^(3)` is mixed of phosphorus. If all doner atoms are active then what will be resistivity at `20^(@)C` if mobility of electron is `1200 cm^(2)//"Volt"` sec :-

A

0.5209 `Omega`-cm

B

`5.209Omega`-cm

C

`52.09 Omega`-cm

D

`520.9 Omega`-cm

Text Solution

Verified by Experts

The correct Answer is:
D
`1/rho = e(n_(e)mu_(e)+n_(h)mu_(h)=520.9Omega`-cm [By putting values]
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