Question

What is the Young's modulus of copper wire?

Answer 1

1. Young's modulus can be defined as the mechanical property of a material to withstand compression or elongation with respect to its length.
2. The young's modulus value of a copper wire is $110\mathrm{GPa}\mathrm{or}110\mathrm{x}{10}^9\mathrm{N}/{\mathrm{m}}^2$
3. The equation of Young's modulus of a material can be written as: $\mathrm{Young}\mathrm{modulus}=\frac{\mathrm{stress}}{\mathrm{strain}}$
   $$\begin{gathered} E=\frac{{\displaystyle \raisebox{1ex}{$F$}\!\left/ \!\raisebox{-1ex}{$A$}\right.}}{{\displaystyle \raisebox{1ex}{$∆L$}\!\left/ \!\raisebox{-1ex}{$L$}\right.}} \\ E=\frac{{\displaystyle FL}}{{\displaystyle A∆L}} \end{gathered}$$
   Where $E$ is the young modulus, $F$ is the force, $L$ is the length, $A$ is the area, $∆L$ is the change in length.
4. A young's modulus is a numerical value that represents how long a material can be deformed from its original form.
5. When any material is stretched, the stress on the material is directly proportional to its strain.
6. Provided the material is not stretched beyond its limit of proportionality.