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a Ge specimen is doped with AI the conce...

a Ge specimen is doped with AI the concentartion of acceptor atoms is ~`10^(21)` atoms/`m^3`' given that the intrinsic concentartion of electron -hole pairs is ~`10^(19)/m^3, the concentration of electron in the specimen is

A

`10^(17)/m^3`

B

`10^(15)/m^3`

C

`10^(4)/m^3`

D

`10^(2)/m^3`

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