Questions
If the length of a wire is reduced to half, then it can hold the ......... load
a
Half
b
Same
c
Double
d
One fourth
detailed solution
Correct option is B
Breaking force = Breaking stress x AreaBreaking force ∝ Area of cross section of wirei.e. load hold by the wire does not depend upon the length of the wire.Talk to our academic expert!
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A force F is needed to break a copper wire having radius R. The force needed to break a copper wire of radius 2R will be
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