1.

The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be _________

A. \(\frac{3}{4}\) Ω
B. \(\frac{4}{3}\) Ω
C. \(\frac{3}{2}\) Ω
D. 6 Ω
Answer» C. \(\frac{3}{2}\) Ω


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