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Coils question

  1. Feb 12, 2010 #1
    after we put I2=0 in equations 1 to 3
    we have expressions of I1
    how did they get I1
    because they presented numbers
    32ztg2b.jpg
     
  2. jcsd
  3. Feb 12, 2010 #2
    If you let I2 be zero, then equation 1 becomes:

    V1 = j5*I1

    Substitute this into equation 3 and you have:

    425<0 - 5*I1 - j5*I1 = 0

    or

    425<0 - (5 + j5)*I1 = 0

    so that I1 = 425/(5 + j5)

    Substitute this back into equation 2 (with I2 = 0), and you get V2.
     
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