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Longitudinal Strain

The length of...

Question

The length of a wire increases by 1% by a load of 2 kg-wt. The linear strain produced in the wire will be

0.02

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0.001

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0.01

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0.002

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Solution

The correct option is C 0.01
Strain $= \frac{C h a n g e i n l e n g t h}{O r i g i n a l l e n g t h} = \frac{1 % o f L}{L} = \frac{\frac{L}{100}}{L} = 0.01$

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The length of a wire increases by 1 % by a load of 2 kg. wt. The linear strain produced in the wire will be

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