A steel wire `AB` of length `100 cm` is fixed rigidly at points `A` and `B` in an aluminium frame as shown in the figure. If the temperature of the system increases through `100^(@)C`, then the excess stress produced in the steel wire relative to the aluminium?
`alpha_(Al) = 22 xx 10^(-6 //0) C` and `alpha_(steel) = 11 xx 10^(-6 //0) C`
young's Modulus of steel is `2 xx 10^(11) Nm^(-2)`.

A steel wire AB of length 85cm at 10^(@)C is fixed rigidly at points A and B in an aluminium frame as shown. If the temperature of the system is raised to 110^(@)C , what extra stress will be produced in the wire relative to aluminium frame. Assume that coefficient of linear expansion for aluminium and steel are 23xx10^(-6)//^(@)C and 11xx10^(-6)//^(@)C respectively and Young's moduls for steel is 2xx10^(11) pa.

A fine steel wire of length 4 m is fixed rigidly in a heavy brass frame as ashown in figure . It is just taut at 20^(@)C . The tensile stress developed in steel wire it whole system is heated to 120^(@)C is :- ( Given alpha _("brass") = 1.8 xx 10^(-5) .^(@)C^(-1), alpha_("steel") = 1.2 xx 10^(-5) .^(@)C , Y_("steel") = 2 xx 10^(11) Nm^(-2), Y_("brass")= 1.7xx10^(7) Nm^(-2) )

A fine steel wire of length 4 m is fixed rigidly in a heavy brass frame as ashown in figure . It is just taut at 20^(@)C . The tensile stress developed in steel wire it whole system is heated to 120^(@)C is :- ( Given alpha _("brass") = 1.8 xx 10^(-5) .^(@)C^(-1), alpha_("steel") = 1.2 xx 10^(-5) .^(@)C, Y_("steel") = 2 xx 10^(11) Nm^(-2), Y_("brass")= 1.7xx10^(7) Nm^(-2) )

A fine steel wire of length 4 m is fixed rigidly in a heavy brass frame as ashown in figure . It is just taut at 20^(@)C . The tensile stress developed in steel wire it whole system is heated to 120^(@)C is :- ( Given alpha _("brass") = 1.8 xx 10^(-5) .^(@)C^(-1), alpha_("steel") = 1.2 xx 10^(-5) .^(@)C, Y_("steel") = 2 xx 10^(11) Nm^(-2), Y_("brass")= 1.7xx10^(7) Nm^(-2) )

What should be the length of steel and copper rods at 0^(@)C that the length of steel rod is 5 cm longer than copper at all termperature? Given alpha_(Cu) = 1.7 xx 10^(5) .^(@)C^(-1) and alpha_(steel) = 1.1 xx 10^(5) .^(@)C^(-1) .

What should be the length of steel and copper rods at 0^(@)C that the length of steel rod is 5 cm longer than copper at all termperature? Given alpha_(Cu) = 1.7 xx 10^(5) .^(@)C^(-1) and alpha_(steel) = 1.1 xx 10^(5) .^(@)C^(-1) .

A steel rod is rigidly clamped at its two ends. The rod is under zero tension at 20^0C . If the temperature rises to 100^0 C , what force will the rod exert on one of the clapms? Area of cross section of the rod = 2.00 mm^2 . Coefficient of linerar expansion of steel = 12.0 xx 10^(-6) ^0 C^(-1) and Young's modulus of steel 2.00 xx 10^(11) N m^(-2) .