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The load versus elongation graph for fou...

The load versus elongation graph for four wires of the same material is shown in the figure. The thickest wire is represented by the line

A

`OC`

B

`OD`

C

`OA`

D

`OB`

Text Solution

Verified by Experts

The correct Answer is:
C
`(F//A)/(Deltal//l)=Y`
`(F)/(Deltal) = (Ypir^(2))/(l)`
`rArr (Fl)/(Ypi) xx (1)/(Deltal) = r^(2)`
`rArr Y` & `l` are same for all then
For same load `ralpha(1)/(sqrtDeltal)`
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