Three conducting rods of same material and cross-section are shown in figure. Temperatures of
Channel: Doubtnut
Date: 02/11/2021

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 BD and BC if there is no heat flow in AB is