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Question: Answered & Verified by Expert
A copper and a steel wire of same diameter are connected end to end. A deforming force $F_1$ is applied to the wire which causes an elongation of $1 \mathrm{~cm}$. The two wires will have
PhysicsMechanical Properties of SolidsCOMEDKCOMEDK 2022
Options:
  • A the same strain
  • B different stress
  • C different strain
  • D None of these
Solution:
1144 Upvotes Verified Answer
The correct answer is: different strain
As Young's modulus $Y$ for two wires is different, hence strain is different but stress is same as equal force $F$ on each wire having same diameter and area of cross-section act on both wires.

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