A uniform metal rod of `2mm^(2)` area of cross section is heated from `0^(@)C` to `20^(@)C`. The coefficient of linear expansion of the rod is `12xx10^(-6)//""^(@)C`. Its Young's modulus of elasticity is `10^(11)N//m^(2)`, then the energy stored per unit volume of rod is,

A uniform metal rod of 2 mm^2 cross-section is is heated from 0C to 20^circ C . The coefficient of linear expansion of the rod 1 2 xx 10^(-6)circC^( -1). Its Youngs modulus of elasticity is 10^(11) Nm^(-2). Energy stored per unit volume of the rod is

A uniform metal rod fixed at its ends of 2 mm^(2) cross-section is cooled from 40@^C to 20^@C . The coefficient of the linear expansion of the rod is 12xx10^(-6) per degree celsius and its young's modulus of elasticity is 10^11 N//m^(2). The energy stored per unit volume of the rod is

A uniform metal rod fixed at its ends of 2 mm^(2) cross-section is cooled from 40@^C to 20^@C . The coefficient of the linear expansion of the rod is 12xx10^(-6) per degree celsius and its young's modulus of elasticity is 10^11 N//m^(2). The energy stored per unit volume of the rod is

A uniform rod of cross-section 4 mm^(2) is heated from 0^(@)C " to "10^(@)C. The coefficient of linear expansion of the rod, prop=12xx10^(-6)//^(@)C and Young's modulus =10^(11)N//m^(2). The strain produced in the rod is

A uniform rod of cross-section 4 mm^(2) is heated from 0^(@)C " to "10^(@)C. The coefficient of linear expansion of the rod, prop=12xx10^(-6)//^(@)C and Young's modulus =10^(11)N//m^(2). The strain produced in the rod is

The coefficient of linear expansion of a metal rod is 12 xx 10^(-6//0)C , its value in per ^(0)F