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Homework Help: What type of charges in currents produce a magnetic field?

  1. Nov 19, 2016 #1
    1. The problem statement, all variables and given/known data
    Is a current that produces a magnetic field always going to be either an electron or a proton?
     
  2. jcsd
  3. Nov 19, 2016 #2

    hilbert2

    User Avatar
    Science Advisor
    Gold Member

    No, it can also be a muon or anything else that has an electric charge.
     
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