How will the tenile stress affect in a wire be affected when lenght is dounled?
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It can be determined by the relation: Young's modulus= Tensile Stress/ Tensile Strain. If the length of a wire is made double and the diameter of the wire is made triple, it doesnot change the Young's Modulus of the wire. ... As the strain is now 1/9 and the length is double, so L' = (2/9)*L.
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