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

The two ends of a metal rod are maintained 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

` 44.0 J/s`

` 16.8 J/s`

` 8.0 J/s`

` 4.0 J/s`

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