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Homework Help: Use KCL to solve a Very simple electrical circuit

  1. Sep 26, 2012 #1
    1. The problem statement, all variables and given/known data

    I0=-2 A
    I1=-4 A
    Is= 8 A
    Vs= 12 V

    Find all the unknown currents.

    http://sphotos-a.xx.fbcdn.net/hphotos-snc7/398253_493549703997883_2004542070_n.jpg [Broken]
    2. Relevant equations

    Kirchhoff’s current law

    3. The attempt at a solution
    I start at node a and found I2= 6 A
    and then from R2 follow the current to find out that

    Is= I3 + I2 = 8A => I3= 2 A

    thanks for your time.
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Sep 26, 2012 #2


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    Last edited by a moderator: May 6, 2017
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