Solution to task 425 from Chertov´s for extramural stud

Solution to task 425 from Chertov´s for extramural stud

425. A thin ring with a radius of R = 10 cm carries a uniformly distributed charge Q = 80 nC. The ring rotates with an angular velocity ω = 50 rad / s about an axis that coincides with one of the ring diameters. Find the magnetic moment pm due to the rotation of the ring.

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