A-LevelPhysicsDeformation of solids9702/12 · Oct/Nov 2012 · Q271 Mark
Two wires, X and Y, are made from different metals and have different dimensions. The Young modulus of wire X is twice that of wire Y. The diameter of wire X is half that of wire Y. Both wires are extended with equal strain and obey Hooke's law. What is the ratio tension in wire X / tension in wire Y?
A1/8
B1/2
C1
D8
✓ Correct answer
B: 1/2
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