Two rods of length `l_(1)` and `l_(2)` are made of material whose coefficient of linear expansion are `alpha_(1)` and `alpha_(2)` , respectively. The difference between their lengths will be independent of temperatiure if `l_(1)//l_(2)` is to

Two rods of length L_1 and L_2 are made up of different material whose coefficient of linear expansion are alpha_1 and alpha_2 respectively. The difference between their lengths will be independent of temperature if L_1/L_2 is equal to.

Two rods of lengths L_(1) and L_(2) are made of materials whose coefficient of linear expansion are alpha_1 and alpha_2 . If the difference between the two lengths is independent of temperature.

Two rods of lengths l_(1) and l_(2) are made of materials having coefficients of linear expansion alpha_(1) and alpha_(2) respectively. What could be the relation between above values, if the difference in the lengths of the two rods does not depends on temperature variation?

Two rods of lengths l_(1) and l_(2) are made of materials having coefficients of linear expansion alpha_(1) and alpha_(2) respectively. What could be the relation between above values, if the difference in the lengths of the two rods does not depends on temperature variation?

If L_(1) and L_(2) are the lengths of two rods of coefficients of linear expansion alpha_(1) and alpha_(2) respectively the condition for the difference in lengths to be constant at all temperatures is

Two rods having length l_(1) and l_(2) , made of materials with the linear coefficient of expansion alpha_(1) and alpha_(2) were welded togther. The equivalent coefficients of linear expansion for the obtained rod:-

There are two rods of length l_1 and l_2 and coefficient of linear expansions are alpha_1 and alpha_2 respectively. Find equivalent coefficient of thermal expansion for their combination in series.