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Capacitor Network

  1. Apr 11, 2015 #1
    1. The problem statement, all variables and given/known data
    Capacitors C1 and C2 are connected in series and this combination is connected in parallel with capacitor C3.
    HW8_2.jpg
    2. Relevant equations
    Q=CV
    Ceq=C1+C2+C3 equivalent capacitance for capacitors in parallel
    1/Ceq=1/C1+1/C2+1/C3 equivalent capacitance for capacitors in series

    3. The attempt at a solution
    The question says that C1 and C2 are connected in series, so I would use the second equation, so I would have 1/C=1/C1+1/C2, but then I don't know how I would add that to C3.
     
  2. jcsd
  3. Apr 11, 2015 #2
    Say you get x for the series connection and y is the capacitance of C3, the total capacitance equals x+y.
     
  4. Apr 11, 2015 #3

    rude man

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    Gold Member

    what is the problem statement?
     
  5. Apr 12, 2015 #4
    I'm sorry, I thought I had stated this. The question is: What is the net capacitance?
    If 26.0 V is applied across the whole network, calculate the voltage across each capacitor. Use the numerical values of capacitance given, C1 = 2.98 μF, C2 = 4.15 μF, and C3 = 1.64 μF.
     
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