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Steel, Iron, Copper, Tungsten....

Steel, Iron, Copper, Tungsten.

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Steel : It an alloy, others are metals.
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What is the temperature of the steel - copper junction in the steady state of the system shown in Fig.11.15. Length of the steel rod = 15.0 cm, length of the copper reod = 10.0 cm, temperarure of the furnace = 300 ^(@) C , temperature of the furnace = 300 ^(@) C , temperature of the other end = 0^(@) C . The are of cross section of the steel rod is twice that of the copper rod. ( Thermal conductivity of steel = 50.2 J s^(-1) m^(-1) K^(-1) , and of copper = 385 J s^(-1) m^(-1) K^(-1)) .

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