The two ends of a metal rod are maintained at temperatures 100°C and 110°C. The rate of heat flow in the rod is found to be 4.0 J/s. If the ends are maintained at temperatures 200°C and 210°C, the rate of heat flow will be

Options

(a) 16.8 J/s
(b) 8.0 J/s
(c) 4.0 J/s
(d) 44.0 J/s

Correct Answer:

4.0 J/s

Explanation:

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