Question

A copper and a steel wire having same length and diameter are joined

end-to-end. When a force is applied at the end of the wire, the net

length of the wire increases by 1cm. The wires will have​

Answer 1

Answer:

As same force is applied to each wire having equal area of cross-section, so stress is same but extensions will be different for wires of different materials. So, same stress but different strains are there.

Explanation: