A charge particle travels along a straig...

A charge particle travels along a straight lines with a speed `nu` in a region where both electric field E and magnetic field B are present it follows that

`absE=nu absB` and the two fields are parallel

`absE=nu absB` and the two fields are perpendicular

`absB= nu absE` and the two fields are parallel

`absB= nu abs E` and two fields are perpendicular

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