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A wire is stretched to double of its length. The strain is
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If a wire is stretched to double its length, then
$$
\text { Strain }=\frac{\text { Change in length }}{\text { Actual length }}=\frac{2 L-L}{L}=1
$$
$$
\text { Strain }=\frac{\text { Change in length }}{\text { Actual length }}=\frac{2 L-L}{L}=1
$$
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