Why is a thicker conductor necessary to carry a current in A.C.as compared

Why is a thicker conductor necessary to carry a current in
A.C.as compared to D.C. ?

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Why is a thicker conductor necessary to carry a current in A.C.as compared to D.C. ?..

Answer / probal mitra

It is due to the skin effect, which reduces effective
crosssection of conductor carryin A.C. current. hence the
resistance increases and larger conductor is reqired.

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