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  • The strain-stress curves of three wires of different materials are shown in the figure. P, Q and R are the elastic limits of the wires. The figure show that: <img alt="" src="https://cdn.

The strain-stress curves of three wires of different materials are shown in the figure. P, Q and R are the elastic limits of the wires. The figure show that:

Option: 1

Elasticity of wire P is maximum


Option: 2

Elasticity of wire Q is maximum


Option: 3

Tensile strength of R is maximum


Option: 4

None of the above


Answers (1)

best_answer

As stress is shown on X-axis and strain is shown on Y-axis, we can say that:

y = \cot \theta = \frac{1}{\tan \theta} = \frac{1}{slope}

So, the elasticity of wire P is minimum and of wire R is maximum.

Elasticity - Minimum

R - Maximum

Posted by

vinayak

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