<p>Two persons pull a wire towards themselves. Each person exerts a force of 200N&nbsp; on the wire. Young&#39;s modulus of the material of wire is&nbsp;<span class="equation">\(1\times10^{11}Nm^{-2}\)</span>&nbsp;&nbsp;. Original length of the wire is 2m&nbsp; and the area of cross section is 2 <span class="equation">\(cm^2\)</span>. The wire will extend in length by _________&nbsp;<span class="equation">\(\mu\)</span>​​​​​​​m.</p>