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Problem understanding Thévenins equivalent circuit

  1. Jun 6, 2008 #1
    Problem understanding "Thévenins equivalent circuit "

    The problem is illustrated in the picture below.


    I am not sure i understand this so well either, any comments are appriciated.

    Best regards

  2. jcsd
  3. Jun 6, 2008 #2


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    Homework Helper

    Your answers are missing a factor of I1.

    How did you get I(SC) = (B+E)I1/(C+B+E) ?

    To get the answer just consider the mesh equation equations set up for the loop on the left with the voltage source, A and C in clockwise. Then, remembering that D is shorted, set up another mesh equation with the voltage source, A, B, E clockwise. Equate the two equations to eliminate the voltage source and you're done.
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