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A potential difference of 5V is applied ...

A potential difference of 5V is applied across a conductor of length 10 cm. IF drift of electron is `2.5 xx 10^(4) m//s`, then electron mobility is SI unit is

A

`5 xx 10^(-4)`

B

` 5 xx 10^(-6) `

C

`5 xx 10^(-2)`

D

Zero

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