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What happens to a positive charge that is placed at rest in a uniform magnetic f

ID: 1295221 • Letter: W

Question

What happens to a positive charge that is placed at rest in a uniform magnetic field? (A uniform field is one whose strength and direction are the same at all points.) A. It accelerates in a circle since the force is always per-pendicular to the velocity. B. It moves with a constant acceleration since the force has a constant magnitude. C. It remains at rest since the force amid the initial velocity are zero. D). It moves with a constant velocity since the force has a constant magnitude. E. It moves in a circle at a constant speed since the force is always perpendicular to the velocity.

Explanation / Answer

option c since velocity is zero force on charge F=QVBsin(theta) since V =0 force =0 and charge doesn't move

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