Question

# A copper wire and a steel wire of the same diameter and length are joined end to end and a force is applied which stretches their combined length by $$1$$cm. Then, the two wires will have.

A
the same stress and strain
B
the same stress but different strains
C
the same strain but different stresses
D
different stresses and strains

Solution

## The correct option is A the same stress and strainAs 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.Physics

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