The product of Young's modulus of the material of the wire with its cross-sectional area is equal to its length. Find the parameters representing x and y-axes of the curve as shown:

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load and increase in length

stress and strain

Yong's modulus and stress

Young's modulus and strain

answer is A.

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Detailed Solution

Y = (WA)(∆ll) ⇒∆l = (lYA)WGiven, YA = l So, ∆lW = 1Also from curve, its slope = tan 45° = 1So, x and y axes represent W and ∆l

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