The two ends of a metal rod are maintain...

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 maintaind at temperatures `200^(@)C` and `210^(@)C`, the rate of heat flow will be :

8.0 J/s

4.0 J/s

44.0 J/s

16.8 J/s

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