A bar of length 0.3 m and of uniform area of cross-section consists of two halves
copper and iron welded together, the copper end is kept at 200°C and iron end at oc
The sides of the bar are thermally insulated. Find the temperature of the inter
when steady state is reached. If the cross-sectional area of the bar is 0.0005 m, fin
the rate of flow of heat along the bar. Thermal conductivity of copper
and that of iron 75 W m-1K-1
400 W m-1
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A solid copper cube and sphere, both of same mass & emissivity are heated to the same initial temperature and kept under identical conditions.
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