A steel wire of length 20 cm and uniform cross-section `1mm^(2)` is tied rigidly at both the ends. If the temperature of the wire is altered from `40^(@)C` to `20^(@)C`, the change in tension. [Given coefficient of linear expansion of steel is `1.1xx10^(5) .^(@)C^(-1)` and Young's modulus for steel is `2.0xx10^(11) Nm^(-2)`]

A steel wire of length 20 cm and unifrom crossection mm^(2) is tied rigidly at both the ends. If temperature of the wre is altered from 40^(@)C to 20^(@)C , calcutlate the change in tension. Given coeffeicient of linear expansion of steel is 1.1 xx 10^(-5) .^(@)C^(-1) and Young's modulus for steel is 2.0 xx 10^(11) Nm^(-2) .

A steel wire of length 20 cm and uniform cross-sectional 1 mm^(2) is tied rigidly at both the ends. The temperature of the wire is altered from 40^(@)C to 20^(@)C . Coefficient of linear expansion of steel is alpha = 1.1 xx 10^(-5) .^(@)C^(-1) and Y for steel is 2.0 xx 10^(11) Nm^(2) , the tension in the wire is

A steel wire of length 20 cm and uniform cross section 1 mm^(2) is tied rigidly at both the ends. The temperature of the wire is altered from 40^(@) C to 20^(@)C Coefficient of linear expansion for steel alpha = 1.1 xx 10^(-5) l^(@)C and Y for steel is 2.0 xx 10^(11) N//m^(2) . The change in tension of the wire is

A steel wire of uniform cross-sectional area 2mm^(2) is heated upto 50^(@) and clamped rigidly at two ends . If the temperature of wire falls to 30^(@) then change in tension in the wire will be , if coefficient of linear expansion of steel is 1.1 xx 10^(-5)//"^(@)C and young's modulus of elasticity of steel is 2 xx 10^(11) N//m^(2)

A steel wire of length 0.20m and uniform cross section 10^(-6)m^(2) is tied rigidly at both ends. The temperature of the wire is changed from 40^(@) C to 20^(@)C . Calculate the thermal tension in the wire given alpha =1.1. xx 10^(-5)//.^(@)C and Y=2xx10^(11)Nm^(-2)

A steel wire of length 20 cm and uniform cross-sectional area of 1 mm^(2) is tied rigidly at both the ends at 45^(@)C . If the temperature of the wire is decreased to 20^(@)C , then the change in the tension of the wire will be [Y for steel = 2 xx 10^(11 Nm^(-2) , the coefficient of linear expansion for steel = 1.1 xx 10^(-5)//.^(@)CC^(-1) ]

A steel wire of lenght 0.20 m and uniform cross section 10^(-4) m^2 is tied rigidly at both ends.The temperature of the wire is change from 40^@ to 20^@C . Calculate the thermal tension in the wire given alpha= 1.1 xx 10^(3)//""^@C. and Y = 2 xx 10^(11)Nm^(2)

A steel wire of cross sectional area 5xx10^(-7)m^(2) is tied between two rigid clamps. It is given that at 30^(@)C wire is just taut. If the temperature of wire is decreased to 10^(@)C , find the tension in the wire. Given that the coefficient of linear expansion of stees is 1.1xx10^(-5).^(@)C^(-1) and its Young's modulus is 2xx10^(11)N//m^(2)

A steel wire of length 20 cm and cross - section 1 mm^(2) is tied rigidly at both ends at room temperature 30^(@)C . If the temperature falls 10^(@)C , what will be the change in tension ? Given that Y = 2xx10^(11)N//m^(2) and alpha = 1.1xx10^(-5)//^(@)C