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Gokul Refoils share price was Rs 30.05 as on 30 May, 2023, 03:56 PM IST. Gokul Refoils share.
A long straight wire of circular cross section of radius a carries a steady current i. the current is uniformly distributed across its cross section. the ratio of the magnitudes of magnetic field at a point distant a/2 above the surface of wire to that at a point distant a/2 below its surface is
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