Three rods made of same material and having the same cross-section have been joined as shown in fig.
Channel: Doubtnut
Date: 2020-08-16

Three rods made of same material and having the same cross-section have been joined as shown in fig. each rod is of the same length. The left and the right ends are kept at `0^C` and `90^(@)C`  respectively. What will be the temperature of the junction of the three rods?