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Find the Current I2 I1 I4

  1. Sep 18, 2011 #1
    1. The problem statement, all variables and given/known data

    http://piazza.com/view/gsqhumgwtax

    2. Relevant equations



    3. The attempt at a solution

    I got everything right except in Q4 matrix (second equation 2nd and 3d slots)

    my supernode equation is
    I got this equation. Going clockwise
    = -12+75(I1-I3)+14(I2-I3)+49(I4)=0
    3048 = 75I1 + 14 I2 + 49I4

    can any one see what am i doing wrong
     
    Last edited: Sep 18, 2011
  2. jcsd
  3. Sep 19, 2011 #2

    gneill

    User Avatar

    Staff: Mentor

    What happened to the 34V source that follows the 39 Ohm resistor in the loop?
     
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