A steel wire of corss sectional area `0.5mm^(2)` is held between two rigid clamps so that it is just taut at `20^(@)C`. Find the tension in the wire at `0^(@)C`. Given that Young's Modulus of steel is `Y_(st)=2.1xx10^(12)` dynes/`cm^(2)` and coefficient of linear expansion of steel is `alpha_(st)=1.1xx10^(-5).^(@)C^(-1)`

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 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).

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).

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) .

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 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).

Figure shows a steel rod of cross sectional ara 2 xx 10^(-6)m^(2) is fixed between two vertical walls. Initially at 20^(@)C there is no force between the ends of the rod and the walls. Find the force which the rod will exert on walls at 100^(@) C . Given that the coefficient of linear expansion of steel is 1.2 xx 10^(-5).^(@)C^(-1) and Young's modulus is 2xx10^(11)N//m^(2)

A copper wire is held at the two ends by rigid supports. At 30^(@)C , the wire is just taut, with negligible tension. Find the speed of transverse waves in this wire at 10^(@)C . Given : Young modulus of copper = 1.3 xx 10^(11) N//m^(2) . Coefficient of linear expansion of copper = 1.7 xx 10^(-5) .^(@)C^(-1) . Density of copper = 9 xx 10^(3) kg //m^(3) .

A uniform steel wire of cross-sectional area 0.20 mm^2 is held fixed by clamping its two ends. Find the extra force exerted be each clamp on the wire if the wire is cooled from 100^0C to 0^o C . Young's modulus of steel = 2.0 xx 10^11 N m^(-2) . Coefficient of linear expansion of =1.2 xx 10^(-5) C^(-1) .

A uniform steel wire of cross-sectional area 0.20 mm^2 is held fixed by clamping its two ends. Find the extra force exerted be each clamp on the wire if the wire is cooled from 100^0C to 0^o C . Young's modulus of steel = 2.0 xx 10^11 N m^(-2) . Coefficient of linear expansion of =1.2 xx 10^(-5) C^(-1) .