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Please help Capacitors in series and parallel 
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#1
Jun2811, 09:04 PM

P: 16

1. The problem statement, all variables and given/known data
Find the relationship between C and C1 to make C equivalent= C The diagram is as shown below:
C parallel= C1 + C2 + C3...... 1/C series= 1/C1 + 1/C2 + 1/C3 3. The attempt at a solution So on the right most of the diagram, C1 and C are in series, hence their combined capacitor is C1(C)/C1+C. And since the combined capacitor is in parallel with the other C1, C equivalent is C1(C)/C1+C + C1 = C However, I can't seem to solve that particular equation by making C as the subject.... Please help.. The answer provided by the textbook is: C=C1 (1+ square root of 5) / 2 Thanks... 


#2
Jun2811, 09:07 PM

P: 16

I guess my diagram is messed up even though i tried to fixed it, but yeah,
C1 is in series with C and those two combined are in parallel with C1..... 


#3
Jun2911, 03:25 PM

Mentor
P: 11,682

Let's see some of the mathematical steps you've taken to try to solve for C.



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