The ends of metal rod are maintained at temperature 120 C

Last updated: 6/11/2023

The ends of metal rod are maintained at temperature 120 C and 150 C The rate of heat flow in the rod is found to be 10 J s If an identical rod is connected in parallel with this rod and ends temperatures are maintained at 220 C and 250 C then net rate of flow of heat will be 1 10 J s 3 30 J s 2 20 J s 4 15 J s 50 20