Question

find the resistance of a cubic centimeter of copper (i) when it is drawn into a wire of diameter 0.32 mm and (ii) when it is hammered into a flat sheet of 1.2 mm thickness, the current flowing through the sheet from one face to another, specific resistance of copper is 1.6×10^-8W-m. Volume of copper wirw,v= 1cm^3 =1×10^-6m^3

Answer 1

Answer:

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Explanation:

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