Find the ratio of the lengths of an iron rod and an aluminium rod for which the difference in the lengths in independent of temperature. Coefficients of linear expansion of iron and aluminium are `12 xx10^(-6) 0^C^(-1) and 23 xx 10^(-6) 0^C(-1)`respectively.

Find the ratio of the lengths of an iron rod and an aluminum rod for which the difference in the lengths in independent of temperature. Coefficients of linear expansion of iron and aluminum are 12 xx10^(-6)C^(-1) and 23 xx 10^(-6)C^(-1) respectively.

Find the ratio of the lengths of an iron rod and an aluminum rod for which the difference in the lengths in independent of temperature. Coefficients of linear expansion of iron and aluminum are 12 xx10^(-6)C^(-1) and 23 xx 10^(-6)C^(-1) respectively.

Coefficient of linear expansion of iron is 12 times 10^(-6@)C^(-1) - explain the statement.

The lengths of an iron and a zinc rod at 0^(@)C are 25.55 cm and 25.5 cm respectively. At what temperature will their lengths be equal? Coefficients of linear expansion of iron and zinc are 10 times 10^(-6@)C^(-1) and 30 times 10^(-6@)C^(-1) respectively.

An iron rod and a copper rod lie side by side. An the temperature is changed, the difference in the length of the rods remains constant at a value of 10 cm. Find the lengths at 0^o C . Coefficients of linear expansion of iron and copper are 1.1 xx 10^(-5) C^(-1) and 1.7 xx 10^(-5) C^(-1) respectively.

An iron rod and a copper rod lie side by side. An the temperature is changed, the difference in the length of the rods remains constant at a value of 10 cm. Find the lengths at 0^o C . Coefficients of linear expansion of iron and copper are 1.1 xx 10^(-5) C^(-1) and 1.7 xx 10^(-5) C^(-1) respectively.

An iron rod of length 50cm is joined end to end to an aluminium rod of length 100cm. All measurements refer to 20^(@)C . The coefficients of linear expansion of iron and aluminium are 12xx10^(-6)//""^(@)Cand24xx10^(-6)//""^(@)C respectively. The average coefficient of composite rod is

An iron rod of length 50 cm is joined at an end to an aluminum rod of length 100 cm. All measurements refer to 20^(@)C . The coefficients of linear expansion of iron and aluminum are 12xx10^(-6)//^(@)C and 24xx10^(-6)//^(@)C , respectively. The average coefficient of expansion of composite system is :