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Calculate the percentage increase in the length of a wire of diameter 2mm stretched by a force of 1kg F.

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Calculate the percentage increase in the length of a wire of diameter 2mm stretched by a force of 1kg F. Young’s modulus of the material of wire is 15 X 1010Nm-2.

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Percentage increase = 2.1 X 10-5 X 100 =0.0021%

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