A steel wire of cross sectional area 0 5 mm is held between two fixed supports If the wire is just taut at 20 C determine the

Question

A steel wire of cross sectional area 0 5 mm is held between two fixed supports If the wire is just taut at 20 C determine the tension in N when the temperature falls to 0 C Coefficient of linear expe 1 2 x 10 5 C and its Young s modulus is 2 0 x 10 N m

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