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An electron is rotating around an infini...

An electron is rotating around an infinite positive linear charge in a circle of radius 0.1 m, if the linear charge density is 1 `muC//m`, then the velocity of electron in m/s will be

A

`0.562 xx 10^7 m//sec`

B

` 5.62 xx 10^7 m//sec`

C

`5.2 xx 10^5 m//sec `

D

`0.0562 xx 10^(7) m// sec`

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