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Task 31379.
A thin ring of radius R = 20 cm carries a uniformly distributed charge Q = 40 nC. The ring rotates relative to an axis coinciding with one of the diameters of the ring, with the frequency n = 20 c ^ -1. Determine: the magnetic moment Pm, due to the rotation of a charged ring; ratio of magnetic moment to the pulse Pm / L, if the ring has a mass m = ´10
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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