Q. Four rods with different radii 'r' and length 'l' are used to connect to reservoirs of heat at different temperature. Which one of them with conduct most heat? (Solved)
1. r = 1 cm, l = 1m
2. r = 2 cm, l =
3. r = 2 cm, l = 2m
4. r =
5. 37,500 kg
- b. r = 2 cm, l =