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Mobility of electron and holes in a samp...

Mobility of electron and holes in a sample of intristic germanium at room temperature are `0.36m^(2)V^(-1)s^(-1) and 0.17 m^(2)V^(-1)s^(-1)`. The electron and hole densities are each equal to `2.5xx10^(19) m^(-3)`. The electrical conductivity of germanium is

A

`0.47Sm^(-1)`

B

`5.18Sm^(-1)`

C

`2.12Sm^(-1)`

D

`1.09Sm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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