Question

# A brass rod and a lead rod, each 0.250 mm long and each with cross-sectional area...

A brass rod and a lead rod, each 0.250 mm long and each with cross-sectional area 2.00×10−4m22.00×10−4m2, are joined end to end to make a composite rod of overall length 0.500 mm. The free end of the brass rod is maintained at a high temperature, and the free end of the lead rod is maintained at a low temperature. The temperature at the junction of the two rods is 185.0∘C∘C and the heat current due to conduction through the composite rod is 6.00 WW.

(A) What is the temperature of the free end of the brass rod?

(B) What is the temperature of the free end of the lead rod?

Answer #1

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