BITSAT 2013 Paper

Section: Physics

Question : 16 of 150

Marks: +1, -0

Figure shows a copper rod joined to a steel rod. The rods have equal length and equal crosssectional area. The free end of the copper rod is kept at 0ºC and that of steel rod is kept at 100ºC. Find the temperature of the junction of the rod. Conductivity of copper = 390 W/mºC. Conductivity of steel = 46 W/m ºC

18.01 °C
26 °C
10.6 °C
20 °C

Validate

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