the electric coductivity in a wire of a circular cross section varies directly as the...
the electric coductivity in a wire of a circular cross section varies directly as the...
the electric coductivity in a wire of a circular cross section varies directly as the square of the radius and inversely as the length.One wire is twice as long as the other.But the radius of the cross section of the shorter is 3/2* that of the longer.Find the ratio of their conductivity.?
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Asked by debby ranking on 29th May, 2020
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