Question: A thin uniformly charged ring of radius a = 10 cm rotates about its axis with an angular velocity w = 100 rad/s. Find the

A thin uniformly charged ring of radius a = 10 cm rotates about its axis with an angular velocity w = 100 rad/s. Find the ratio of volume energy densities of magnetic and electric fields on the axis of the ring at a point removed from its centre by a distance

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