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B Could a good conductor be heated past the temperature of...

  1. Nov 10, 2016 #1
    Could a good conductor, like some metal, be heated past the temperature of the heat that's heating it. Like if I use a 100 degree flame and hold it for hours on some piece of metal, could the metal go above 100 degrees?

    And I'm not talking about special cases. I mean does this generally happen?
  2. jcsd
  3. Nov 10, 2016 #2


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    No. Fourier's law prevents heat flow from a lower to a higher temperature
  4. Nov 10, 2016 #3


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    No. If the metal was hotter than the flame which way would energy flow?

    Aside: A heat pump can be used to move energy from a cold place to a hot place.
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