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The load versus extension graph for four...

The load versus extension graph for four wires of same material is shown.
The thinnest 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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