8. A copper bar of thermal conductivity 401 W/(m·K) has one end at 117°C and the other end at 24.0°C. The length of the bar is 0.120 m, and the cross-sectional area is 1.00 × 10−6 m2. If two such bars were placed in series (end to end) between the same constant-temperature baths, what would the rate of heat conduction PP be?
Find the thermal resistance of the combination of the two bars as shown below. using the thermal resistance and temperature difference find the rate of heat conduction
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