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Homework Help: What loop does this current source belong too?

  1. Sep 19, 2010 #1
    1. The problem statement, all variables and given/known data
    It's a superposition problem and I have to find i0 and v0.
    [PLAIN]http://img214.imageshack.us/img214/2051/superquestion.jpg [Broken]

    2. Relevant equations
    KCL, KVL

    3. The attempt at a solution
    I can do the problem (I think) but I just don't know what loop to assign that 7.5A current source. I think it belongs to either i1 or i3, but can someone tell me why it belongs to one loop and not the other?

    EDIT: I just realized it was i3-i1. i don't know how I didn't see that.
    Last edited by a moderator: May 4, 2017
  2. jcsd
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