Stress required in a wire to produce $0.1\%$ strain is $4 \times 10^8 \, N/m^2$. Its Young's modulus is $Y_1$. If stress required in another wire to produce $0.3\%$ strain is $6 \times 10^8 \, N/m^2$,and its Young's modulus is $Y_2$,which relation is correct?
- A$Y_1 = Y_2$
- B$Y_1 = 2Y_2$
- C$Y_1 = 1.5Y_2$
- D$Y_1 = 3Y_2$
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