A steel wire of length 4.7m and cross section area 3×10−6m2 stretch – InterviewSolution

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1.	A steel wire of length 4.7m and cross section area 3×10−6m2 stretches by the same amount as a copper wire of length 3.5 m and cross-section area 4×10−6m2 under a given load. The ratio of Young's modulus of steel to that of copper is
Answer» A steel wire of length 4.7m and cross section area $3 \times 10^{- 6} m^{2}$ stretches by the same amount as a copper wire of length 3.5 m and cross-section area $4 \times 10^{- 6} m^{2}$ under a given load. The ratio of Young's modulus of steel to that of copper is

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