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Nodal Analysis: Imaginary Numbers

  1. Apr 12, 2014 #1
    1. The problem statement, all variables and given/known data

    I have to find the Thevinin Equivalent for the following circuit.

    2mzh3ig.jpg

    I am assuming the current is going out of the node.
    V= node between inductor and capacitor
    V0 = V[40/(40-150j)]

    (V-75)/(600+150j) + (-0.02V0) + V/(40-150j) = 0

    The only problem I have is with the last part of the equation, is the one I have right or is it (V-V0)/-150j
     
  2. jcsd
  3. Apr 12, 2014 #2

    rude man

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    Maybe they're both right! Solve both ways & see!
     
  4. Apr 12, 2014 #3
    Ok I solved just the last part two different ways since it was the only different part in the equation, and I got the same answers.

    0.0016597 - 0.007109j

    Thnx
     
  5. Apr 13, 2014 #4
    Is this supposed to be Vo?

    I get a much larger result for Vo.
     
  6. Apr 13, 2014 #5
    No that is just the last part of the equation, V/(40-150j) which is same as (V-V0/-150j
    This means I can use either of these two, which was my original question.
     
  7. Apr 13, 2014 #6
    So what's your final result?
     
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