2 11 A cylinder of radius R made of material of thermal

Last updated: 6/13/2023

2 11 A cylinder of radius R made of material of thermal conductivity K is surrounded by a cylindrical shell of inner radius R and outer radius 3R made of a material of thermal conductivity K The two ends of the combined system are maintained at two different temperature What is the effective thermal conductivity of the system 1 K K K K 3 Y 2 4 K 8K 9 8K K