KillGorack / Physics 2010 / In which system is heat usually transferred from the cooler part to the warmer part? 1) a stove as it heats up water 2) a refrigerator that is running 3) an electric fan that is running 4) none of the above, because it is impossible to transfer heat in this manner 5) both choices B and C are valid.

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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.

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Question In which system is heat usually transferred from the cooler part to the warmer part? 1) a stove as it heats up water 2) a refrigerator that is running 3) an electric fan that is running 4) none of the above, because it is impossible to transfer heat in this manner 5) both choices B and C are valid.
Answer a refrigerator that is running

Notes

User	Added	Note	e	d
KillGorack	2023-07-12 17:44:24	Heat naturally flows from warmer regions to cooler regions. This is a direct consequence of the second law of thermodynamics. However, it is possible to make heat flow in the opposite direction by doing work on the system. A classic example of this is a refrigerator or heat pump, which uses work (usually from electrical energy) to move heat from a colder area (inside the fridge) to a warmer area (the room outside the fridge).

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