A composite wire of uniform diameter 3.0 mm consisting of a copper wire of length 2.2m and a steel
Channel: Doubtnut
Date: 2020-08-02

A composite wire of uniform diameter 3.0 mm consisting of a copper wire of length 2.2m and a steel wire of length 1.6m stretches under a load by 0.7 mm. Calculate the load, given that the Young's modulus for copper is `1.1 xx 10^(11) Pa` and for steel is `2.0 xx 10^(11)Pa`.