The length of the wire is increased by 2% by applying a load of 2.5 kg-wt. what is the linear strain produced in the wire?
The length of the wire is increased by 2% by applying a load of 2.5 kg-wt. what is the linear strain produced in the wire?
A. 0.1
B. 0.01
C. 0.2
D. 0.02
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Correct Answer - d
Percentage change in length of wire `= (Delta I)/(I) xx 100%`
`(Delta I)/(I) xx 100 = 2% implies (Delta I)/(I) = (2)/(100) = 0.02`
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