A steel wire of length 4.87 mm and cross...

A steel wire of length 4.87 mm and cross-section `3.0 xx 10^(-5) m^(2)` stretches by the same amout as a copper wire of length 3.5 m and cross -section `4.0 xx 10^(-5) m^(2)` under a given load . White is the ratio of the Young's modulus of steel so that of copper ?

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