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Write the expression, for the force acti...

Write the expression, for the force acting on a charge moving in a uniform magnetic field. Mention the nature of a trajectory of the charged particle which is moving (i) parallel and (ii) perpendicular to the magnetic field.

Text Solution

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`F=q(v xx B)`
(i) If `v` is parallel to B, trajectory is a straight line.
(ii) It `v` is perpendicular to B, trajectory is circular.
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