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A charged particle having drift velocity...

A charged particle having drift velocity of `7.5` x `10^-4 m/s` in an electric field of `3` x `10^-10 V/m` has a mobility in `m^2 V^-1 s^-1`

A

`2.25` x `10^15`

B

`2.5` x `10^6`

C

`2.5` x `10^-6`

D

`2.25` x `10^-15`

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