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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 15 - Thermodynamics > A composite rod made of three rods of equal length and cross-section as shown in the fig. The thermal conductivities of the materials of the rods are K/2, 5 K and K respectively. The end A and end B are at constant temperatures. All heat entering the face A goes out of the end B. The effective thermal conductivity of the bar is :

A composite rod made of three rods of equal length and cross-section as shown in the fig. The thermal conductivities of the materials of the rods are K/2, 5 K and K respectively. The end A and end B are at constant temperatures. All heat entering the face A goes out of the end B. The effective thermal conductivity of the bar is :

5 K and K respectively. The end A and end B are at constant temperatures. All heat entering the face A goes out of the end B. The effective thermal conductivity of the bar is : A composite rod made of three rods of equal length and cross-section as shown in the fig. The thermal conductivities of the materials of the rods are K/2