IAT_NEST · Physics

Elasticity MCQ Questions for IAT_NEST

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Q1SingleMarks: 4.00Negative: -1.00

Copper and aluminium wires of equal diameter are joined in series. Find load F for total elongation ΔL.

A. πd²ΔL(YCuLAl-YAlLCu)/(4LCuLAl)B. πd²ΔL(YCuLAl+YAlLCu)/(4LCuLAl)C. πd²YCuYAlΔL/[4(YCuLAl+YAlLCu)]D. πd²YCuYAlΔL/[4(YCuLAl-YAlLCu)]