Question:A bar of copper of length 0.75 m and a bar of a staniless steel of length 1.25 m are joined end to end,each having a cross-sectional area of 10^-4 m^2 .The free ends of the copper and the steel bars are maintained at 100 degree C and 0 degree C respectively.1)Find the temperature of the copper-steel junction.2)Calculate the rate of heat transmissionacross the junction.Thermal conductivities of copper and steelare400and 14 joule+sec.m.kelvin respectively .
parmanand tiwari , 7 Years ago
Grade 12th pass
1 Answers
Eshan
Last Activity: 6 Years ago
Since the rods are connected in series, the rate of heat supplied would be constant. Let the temperature at the junction of the rod be.
Therefore,
Solving the above equation will give the temperature as well as the rate of heat transmission.
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