A wire of cross sectional area `3mm^(2)` is just stretched between two fixed points at a temperature of `20^(@)` . Determine the tension when the temperature falls to `20^(@)`C . Coefficient of linear of expansion `alpha = 10^(-5)//"^(@)C` and Y = ` 2 xx 10^(11)N//m^(2)`.

A wire of cross-sectional area 3 mm^(2) is first stretched between two fixed points at a temperature of 20^(@)C . Determine the tension when the temperature falls to 10^(@)C Coefficient of linear expansion alpha=10^(-5).^(@)C^(-1) and Y =2 xx10^(11) N//m^(2)

A wire of cross sectional area 3 mm^(2) is just stretched between two fixed points at a temperature of 20^(@)C . Then the tension in the wire when the temperature falls to 10^(@)C is, (alpha =1.2 xx 10^(-5) //""^(@)C, Y=2xx10^(11) N//m^(2))

A wire 2 mm in diameter is just stretched in between two fixed points at a temperature of 50^(@)C . Calculate the tension in the wire, when the temperature falls to 30^(@)C . Coefficient of linear expansion is 11 xx 10^(-4) l^(@)C and Young modulus is 2.1 xx 10^(11) N m^(2)

A steel wire, 2mm in diameter, is just stretched between two fixed points at a temperature of 30^@C . Determine its tension when the temperature falls to 20^@C . (Coefficient of linear expansion of steel = 0.000011//""^@C , Young's modulus for steel = 2.0xx10^11Nm^(-2))

A steel wire 2mm in diameteris ust streched between two dixed point at a temperature of 20^(@)C . Determine its tension when its temperature falls to 10^(@)C . Linear expansivity of steel =11 xx 10^(-6)//K, Young modulus =2 xx 10^(11)//m^(-2)

A tungsten wire, 0.5 mm in diameter, is just stretched between two fixed points at a temperature of 40^@C . Determine the tension in the wire when the temperature falls to 20^@C . (coefficient of linear expansion of tungsten = 4.5 xx 10^(-6)//""^@C , Young's modulus of tungsten = 3.45 xx 10^11Nm^(-2) )

A steel wire of cross sectional area 2 mm^(2) is just stretched horizontally between two fixed points at a temperature of 35^(0)C . The temperature of the wire changed to 25^(0)C . Then (Cofefficient of linear expansion pof steel =11 xx 10^(-6)//""^(0)C : Y_("steel") = 2xx10^(11)Nm^(-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))

A steel wire of cross-sectional area 0.5mm^2 is held between two 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)C^(-1) and its Young's modulus is 2.0 xx 10^11 N m^(-2).