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A charge of (3.14 xx 10^-6) C is distrib...

A charge of `(3.14 xx 10^-6)` C is distributed uniformly over a circular ring of radius 20.0 cm. The ring rotates about its axis with an angular velocity of 60.0 rad ` s^-1 . Find the ratio of the electric field to the magnetic field at a point on the axis at a distance of 5.00 cm from the centre.

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