[" 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/2,5K" and "K" respectively.The end "A" and end "B" are at con "],[" Heat entering face "A" goes out of the end "B" ,without any loss from the sides "],[" effective thermal conductivity of the bar."]

A composite rod made of three rods of equal length and cross-section as shown in fig. The thermal conductivites of the materials of the rods are K//2 , 5K and K respectively. The end A and end B are at constant tempertures. All heat entering the face A goes out of the end B there being no loss of heat from the sides of the bar. The effective thermal conductivity of the bar is

A composite rod made of three rods of equal length and cross-section as shown in fig. The thermal conductivites of the materials of the rods are K//2 , 5K and K respectively. The end A and end B are at constant tempertures. All heat entering the face A goes out of the end B there being no loss of heat from the sides of the bar. The effective thermal conductivity of the bar is

Find the rate of heat flow through a cross section of the rod shown in figure (theta_(2)gttheta_(1) . Thermal conductivity of the material of the rod is K.

Find the rate of heat flow through a cross section of the rod shown in figure (theta_(2)gttheta_(1)) . Thermal conductivity of the material of the rod is K.

Find the rate of heat flow through a cross section of the rod shown in figure (theta_(2)gttheta_(1)) . Thermal conductivity of the material of the rod is K.

Two rods Aand B of different material are welded together as shown in figure . Their thermal conductivity of the composite rod will be:

A metal rod of area of cross section A has length L and coefficient of thermal conductivity K the thermal resistance of the rod is .

Three rods each of same length and cross - section are joined in series. The thermal conductivity of the materials are K, 2K and 3K respectively. If one end is kept at 200^@C and the other at 100^@C . What would be the temperature of the junctions in the steady state? Assume that no heat is lost due to radiation from the sides of the rods.

Three rods each of same length and cross - section are joined in series. The thermal conductivity of the materials are K , 2K and 3K respectively. If one end is kept at 200^@C and the other at 100^@C . What would be the temperature of the junctions in the steady state? Assume that no heat is lost due to radiation from the sides of the rods.

" A metal rod of area of cross section A has length L and coefficient of thermal conductivity K The thermal resistance of the rod is "