\(\text { Strain }=0.32 \%\)

\(\Rightarrow \frac{\Delta L}{L} \times 100=0.32\)

\(\Rightarrow \frac{\Delta L}{L}=\frac{0.32}{100}\)

\(A=\pi r^2=3.14 \times\left(\frac{10}{1000}\right)^2\)

\(Y=2 \times 10^{11} \,Nm ^2\)

We know

\(\frac{F L}{A Y}=\Delta L\)

\(F=\left(\frac{\Delta L}{L}\right) \times A \times Y\)

Substituting values

\(F=\frac{0.32}{100} \times 3.14 \times\left(\frac{10}{1000}\right)^2 \times 2 \times 10^{11}\)

\(F=201 \,kN\)