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What does magnetic field is made up of?

  1. Sep 25, 2016 #1
    1. The problem statement, all variables and given/known data

    A magnetic field is made up of

    A) positive and negative charges.

    B) magnetic domains.

    C) flux lines.

    D) magnetic poles.

    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Sep 25, 2016 #2

    gneill

    User Avatar

    Staff: Mentor

    Hi Zheng. You need to make an attempt to solve the problem or at least discuss your reasoning for each possible choice of answer. You won't find anyone to just give you the answer; We can help, but not do your homework for you.
     
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