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In the question number 55, the ratio of elongation of steel to the copper wires is

Answer» <html><body><p>`(5)/(2)`<br/>`(2)/(5)`<br/>`(3)/(2)`<br/>`(2)/(3)`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :From Eq.(i), of <a href="https://interviewquestions.tuteehub.com/tag/theabovesolution-3192085" style="font-weight:bold;" target="_blank" title="Click to know more about THEABOVESOLUTION">THEABOVESOLUTION</a>,we get`(DeltaL_(S))/(DeltaL_(C)) = (L_(S))/(L_(C)) xx (Y_(C))/(Y_(S))` <br/>Substitution the <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> values,we get<br/>`(DeltaL_(S))/(DeltaL_(C)) = (1.6 m)/(2.4 m)xx (1.2 xx 10^(11) N m^(-2))/(2 xx 10^(11) N m^(-2)) = (2)/(5)`</body></html>


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