Q. 135.0( 1 Vote )

A copper and a steel wire of the same diameter are connected end to end. A deforming force F is applied to this composite wire which causes a total elongation of 1cm. The two wires will have
A. the same stress.

B. different stress.

C. the same strain.

D. different strain

Answer :

Since, stress depends on the deforming force and the area of the object, they both will experience same stress because they have the same diameter and are subject to same deforming force.

Since, both these wires are made up of different materials, thus, they will have different elongations, leading to different strain.

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