$A$ wire of area of cross-section $10^{-6} \ m^2$ is increased in length by $0.1\%$. The tension produced is $1000 \ N$. The Young's modulus of the wire is:
- A$10^{12} \ N/m^2$
- B$10^{11} \ N/m^2$
- C$10^{10} \ N/m^2$
- D$10^{9} \ N/m^2$
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