A brass wire 2 m long at 27^@C is held t...

A brass wire 2 m long at `27^@C` is held taut with negligible tension between two rigid supports. If the wire is cooled to a temperature of `-33^@C`, then the tension developed in the wire, its diameter being 2 mm, will be (coefficient of linear expansion of brass`=2.0xx10^(-5)//^(@)C` and Young's modulus of brass `=0.91xx10^(11)Pa`)

3400 N

34 kN

0.34 kN

6800 N

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A brass wire 1.8 m long at 27^(@)C is held taut with little tension between two rigid supports. If the wire cooled to a temperature of -39^(@)C , what is the tension developed in the wire, if its diameter is 2.0 mm ? Coefficient of linear expansion of brass = 2.0 xx 10^(-5)//^(@)C , Young's modulus of brass = 0.91 xx 10^(11) Pa .

A wire of cross sectional ara A at temmperature T is held taut with negligible tension between two ridig supports . If the wire is cooled to a temperature (T-DeltaT) , what tension is developed in the wire? The coefficient of linear expansion is alpha and the Young's modulus of the wires is Y

A brass wire 1.8 m long at 27^(@)C is held taut with negligible tension between two rigid supports. Diameter of the wire is 2 mm, its coefficient of linear expasion, alpha_("Brass") = 2 xx 10^(-5) .^(@)C^(-1) and its young's modulus, Y_("Brass") = 9xx 10^(10) N m^(-2) . If the wire is cooled to a temperature -39^(@)C , tension developed in the wire is

A stell wire of cross-sectional area 0.5mm^2 is held between teo fixed supports. If the wire is just taut at 20^C , determine the tension when the temperature falls to 0^C . Coefficient of linear expansion of steel is 1.2 xx 10^(-5) 0^C(-1) and its Young's modulus is 2.0 xx 10^11 N m^(-2).

A tungsten wire, 0.5mm in diameter, is just strechted between two fixed points at a temperture of 40^(@)C . Determine the tension in the wire when the temperature falls to 20^(@)C . (coefficant of linear expansion of tungsten = 4.5xx10^(-6)//.^(0)C, Young's modulus of tungsten = 3.4xx10^(10) Nm^(-2))

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