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A charged particle of charge (+q) enters...

A charged particle of charge (+q) enters a region of uniform magnetic field of inductio `overset (rarr) B` with a velocity `overset (rarr)`V. the force experienced by the charged particle is

A

never zero

B

always zero

C

zero only if `overset (rarr)V` and `overset (rarr)B`. Are parallel.

D

zero only if `overset (rarr)V` and `overset (rarr)B`. Are perpendicular.

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