Three rods made of same material having the same cross

Last updated: 6/8/2023

Three rods made of same material having the same cross section have been joined as shown in the figure Each rod is of the same length The left and right ends are kept at 0 C 90 C respectively The temperature of the junction of the three rods will be A 45 C C 30 C OFC 90 C 90 C B GO C D 20 C