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A force F is needed to break a copper wi...

A force F is needed to break a copper wire having radius R. The force needed to break a copper wire of same length and radius 2R will be

A

`(F)/(2)`

B

`2F`

C

`4F`

D

`(F)/(4)`

Text Solution

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The correct Answer is:
C
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ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 1 (Elasticity)
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