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Circular mild steel of cross-sectional area ‘A’ and length ‘L’ is subjected to an axial pull ‘P’. What is the elongation of the bar (∆L) if the young'
Question

Circular mild steel of cross-sectional area ‘A’ and length ‘L’ is subjected to an axial pull ‘P’. What is the elongation of the bar (∆L) if the young's modulus of elasticity of materials is ‘E'?

A.


B.


C.


D.


Correct option is A



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