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Basic Engineering Circuit Problem 2

  1. Feb 8, 2012 #1
    1. The problem statement, all variables and given/known data
    Find I[itex]_{1}[/itex] in the circuit


    2. Relevant equations



    3. The attempt at a solution
    I[itex]_{1}[/itex] + 4 mA = 2 mA
    I[itex]_{1}[/itex] = -2 mA
     

    Attached Files:

  2. jcsd
  3. Feb 9, 2012 #2

    berkeman

    User Avatar

    Staff: Mentor

    This problem looks to have 2 unknowns. You aren't given the current flowing through the resistor on the left between the 2mA and 12mA legs. I would think you would need to write 2 equations to solve for I1 and that unknown current, but I could be wrong.
     
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