Two rods of same length having conductivities 60 Wm^(-1)K^(-1),40Wm^(-1)K^(-1) and areas 0.2m^(2),0.3m^(2) are connected in Parallel to each other. The effective conductivity of the combination is

Two rods of same length having conductivities 60 Wm^(-1)K^(-1),40Wm^(-

1.	Two rods of same length having conductivities 60 Wm^(-1)K^(-1),40Wm^(-1)K^(-1) and areas 0.2m^(2),0.3m^(2) are connected in Parallel to each other. The effective conductivity of the combination is
Answer» `50Wm^(-1)K^(-1)` `45Wm^(-1)K^(-1)` `52Wm^(-1)K^(-1)` `40Wm^(-1)K^(-1)` ANSWER :D