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A particle of mass m, charge e and veloc...

A particle of mass m, charge e and velocity v moving in a magnetic field E perpendicular to the motion of particle. The radius of its path is:

A

`(Be)/(mv)`

B

`(ev)/(Bm)`

C

`(Bv)/(em)`

D

`(mv)/(Be)`

Text Solution

Verified by Experts

The correct Answer is:
D
`(mv)/(Be).`
`r = ( mv)/(qB)`
Here `q =e`
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