A wire of length1 m and radius 1mm is subjected to a load. The extension is 'x'. The wire is melted and then drawn into a wire of square cross-section of side 1 mm. What is its extension under the same load?

A wire of length1 m and radius 1mm is subjected to a load. The extensi

1.	A wire of length1 m and radius 1mm is subjected to a load. The extension is 'x'. The wire is melted and then drawn into a wire of square cross-section of side 1 mm. What is its extension under the same load?
Answer» `PI^(2) X` `PIX^(2)` `pi x` `pi//x` ANSWER :A