A steel rod with the thermal conductivity of 50.2 W /(m-K) has an area of cross-section 0.02 m 2 and length 15 cm. If the two ends of the rod are maintained at a temperature difference of 300°C, the rate of heat flow through the rod is:

RRB ALP Fitter 21 Jan 2019 Shift 1 Paper

Question : 41 of 175

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A steel rod with the thermal conductivity of 50.2 W /(m-K) has an area of cross-section 0.02 m² and length 15 cm. If the two ends of the rod are maintained at a temperature difference of 300°C, the rate of heat flow through the rod is:

2.0 kJ/s
1.0 kJ/s
4.0 kJ/s
3.0 kJ/s

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