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a 330 K c 990 K d 1550 6 Three rods of copper brass and...

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a 330 K c 990 K d 1550 6 Three rods of copper brass and steel are welded together to form a Y shaped structure Area of cross section of each rod is 4 cm End of copper rod is maintained at 100 C whereas ends of brass and steel are kept at 0 C Lengths of the copper brass and steel rods are 46 13 and 12 cm respectively The rods are thermally insulated from surroundings except at ends Thermal conductivities of copper brass and steel are 0 92 0 26 and 0 12 in CGS units respectively Rate of heat flow through copper rod is 2014 Main a 1 2 cal s c 4 8 cal s b 2 4 cal s d 6 0 cal s

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