A plastic circular loop has radius R, and a positivecharge q is distributed uniformly around the circumference of theloop. The loop is then rotated around its central axis, perpendicular tothe plane of the loop, with angular speed v. If the loop is in a regionwhere there is a uniform magnetic field B directed parallel to the planeof the loop, calculate the magnitude of the magnetic torque on the loop.
A plastic circular loop has radius R, and a positivecharge q is distributed uniformly around the circumference of theloop. The loop is then rotated around its central axis, perpendicular tothe plane of the loop, with angular speed v. If the loop is in a regionwhere there is a uniform magnetic field B directed parallel to the planeof the loop, calculate the magnitude of the magnetic torque on the loop.
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A plastic circular loop has radius R, and a positive
charge q is distributed uniformly around the circumference of the
loop. The loop is then rotated around its central axis, perpendicular to
the plane of the loop, with angular speed v. If the loop is in a region
where there is a uniform magnetic field B directed parallel to the plane
of the loop, calculate the magnitude of the magnetic torque on the loop.
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