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A steel wire 2mm in diameter is just str...

A steel wire 2mm in diameter is just stretched between two rigid walls at 20°C. If the temperature falls to 10°C, find the tension in the wire. Linear coefficient of expansion of steel = `11 xx 10^(-6)//k and Y = 2 xx10^(11) N//m^(2)`

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`69.12N`
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