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

The two ends of a metal rod are maintained at temperature `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 temperature s `200^(@)C` and `210^(@)C`. The rate of heat flow will be

`44.0 J//s`

`16.8 J//s`

`8.0 J//s`

`4.0 J//s`

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