Questions
The ratio of diameters of two wires of same material is n: 1. The length of each wire is 4 m. On applying the same load, the increases in the length of the thin wire will be (n> 1)
a
n2 times
b
n times
c
2n times
d
(2n +1) times
detailed solution
Correct option is A
Y=F1a∆1/1=F1a∆1 or Y =F1 ×4π D2 ×∆l or ∆1∝1D2or∆12∆11=D12D22=n21Talk to our academic expert!
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