Why skin effect is shown by AC and not by DC?

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Solution

Skin effect is caused by the back emf produced by the self induced magnetic flux in a conductor. ... For a DC current, the rate of change of flus is zero, so there is no back emf due to changes in magnetic flux. ... Skin effect is the result of induced changing currents in a conductor core.In AC there is back emf and there by skin effect.So skin effect is only seen in AC and not in DC

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