The resistance of a strip of copper of rectangular cross-section is 2Ω. A metal of resistivity twice that of copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be
asked Apr 1, 2018 in Electrical Engineering by
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The resistance of a strip of copper of rectangular cross-section is 2Ω. A metal of resistivity twice

that of copper is coated on its upper surface to a thickness equal to that of copper strip. The

resistance of composite strip will be 4/3Ω.

answered Apr 1, 2018 by