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A particle of mass m and charge q enters...

A particle of mass `m` and charge `q` enters a magnetic field `B` perpendicularly with a velocity `v`, The radius of the circular path described by it will be

A

`Bq//mv`

B

`mq//Bv`

C

`mB//qv`

D

`mv//Bq`

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The correct Answer is:
D
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