Three rods A B and C of same length and same cross section

Last updated: 6/27/2023

Three rods A B and C of same length and same cross section area are joined as shown in the figure Their thermal conductivities are in the ratio 1 2 1 5 If the open ends of A and C are at 200 C and 18 C respectively the temperature at the junction of A and B in equilibrium is 200 C A K B 2K C 1 5K 18 C 1 156 C 2 116 C 3 74 C In the above question the temperature at the junction of B and C will be 1 134C 2 124 K 3 74 C 4 148 C 4 74 K