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The point at which the molecules of a loaded wi... - JAMB Physics 2019 Question

The point at which the molecules of a loaded wire begin to slide across each other resulting in a rapid increase in extension is

A

yield point

B

proportionality point

C

deformation point

D

elastic point

correct option: a

the elastic limit of a material is the greatest stress that can be applied to it without causing plastic (permanent) deformation. This represents a particular load beyond which stretched material does not completely recover its original shape & size.

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