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What is the temperature of the steel copper junction in the steady state of the system shown if Fig. Length of the steel rod `=25cm`, length of the copper rod`=50cm`, temperature of the furnace`=300^@C`, temperature of the other end `=0^@C`. The area of cross section of the steel rod is twice that of the copper rod. (Thermal conductivity of steel `=50J//s//m` and of copper `=400Js//m//K`).

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