Home
Class 12
PHYSICS
A wire of cross sectional area 3 mm^(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))`

Promotional Banner

Similar Questions

Explore conceptually related problems

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 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 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 steel wire 2 mm is diameter is just stretched between two fixed points at a temperature of 20^(@)C . If the temperature falls to 10^(@)C , then the tension in the wire is (Coefficient of linear expansion of steel (alpha) is 11xx10^(-6)//""^(@)C and Y_(s)=2.1xx10^(11)N//m^(2) )

A steel wire 2mm in diameter is stretched between two clamps, when its temperature is 40^@C Calculate the tension in the wire, when its temperature falls to 30^@C Given, coefficient Y for steel = 21 xx 10^(11) dyn e//cm^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 2 mm in diameter is just stretched between two fixed points at a temperature of 20^(@)C. If the temperature falls to 10^(@)C, then the tension in the wire is (The coefficient of linear expansion of steel = 11xx10^(-6)//^(@)C and Y for steel 2.1 xx10^(11)N//m^(2))