6 Three conducting rods of same material and cross section

Last updated: 6/10/2023

6 Three conducting rods of same material and cross section are shown in figure Temperatures of A D and C are maintained at 20 C 90 C and 0 C The ratio of lengths of BD and BC if there is no heat flow in AB is a 2 7 c 9 2 b b 7 2 A B D d 2 9