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What is a magnetic field?

  1. Jan 28, 2014 #1
    What is a magnetic field? Why are some electrostatic objects magnetic, and others not?
     
  2. jcsd
  3. Jan 28, 2014 #2

    Lok

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    A nice simple graphical explanation:
     
    Last edited by a moderator: Sep 25, 2014
  4. Jan 28, 2014 #3

    Wow, that was a great video! Thank you!
     
    Last edited by a moderator: Sep 25, 2014
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