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Magnetic field of Earth

  1. Jul 22, 2014 #1
    Hi, everyone.

    I read how occurs magnetic field in Earth. However, the temperature of outer and inner core is bigger than Curie temperature of iron. So, I have one question. If they have bigger temperature than Curie temperature, how they can have magnetic properties?

    Thank you.
     
  2. jcsd
  3. Jul 22, 2014 #2

    Vanadium 50

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    They still carry currents. This would be true if the core were made of gold or copper instead of iron.
     
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