An aluminium rod and a copper rod of equal length 1.0m and cross-sectional area 1cm^2 are welded together as shown in figure (28

An aluminium rod and a copper rod of equal length 1.0m and cross-sectional area 1cm² are welded together as shown in figure (28-E3). One end is kept at a temperature of 20°C and the other at 60°C. Calculate the amount of heat taken out per second from the hot end. Thermal conductivity of aluminum = 200W/m-°C and of copper - 390W/m-°C.

An aluminium rod and a copper rod of equal length 1.0m and cross-sectional area 1cm^2 are welded together as shown in figure (28-E3).

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