A highly conducting solid cylinder of radius a and length is

Last updated: 6/26/2023

A highly conducting solid cylinder of radius a and length is surrounded by a co axial layer of a material having thermal conductivity K and negligible heat capacity Temperature of surrounding space outside the layer is T which is higher than the temperature of the cylinder If heat capacity per unit volume of the cylinder material is S and outer radius of the cylinder is b time required to increase the temperature of the cylinder from 7 to T is Assume end faces to be thermally insulated and given that b 2a T 500K T 300K T 400K In 2 0 7 Sa n 200K Where n