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If E and B are the magnitudes of electri...

If E and B are the magnitudes of electric and magnetic fields respectively in some region of space, then the possibilities for which a charged particle may move in that space with a uniform velocity of magnitude v are

A

E= vB

B

`E ne 0, B= 0`

C

`E=0, B ne 0`

D

`E ne 0, B ne 0`

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