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Question
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is ___________.
Options
equal to that on X
thrice that on X
nine times that on X
Half that on X
Solution
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is nine times that on X.
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