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The density of an electron-hole pair in...

The density of an electron-hole pair in a pure germanium is `3xx 10^(16) m^(-3)` at room temperature. On doping with aluminium, the hole density increases to `4.5 xx 10^(22) m^(-3)`. Now the electron density ( in `m^(-3))` in doped germanium will be

A

`1xx10^(10)`

B

`2xx10^(10)`

C

`0.5xx10^(10)`

D

`4xx10^(10)`

Text Solution

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The correct Answer is:
B
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