Capacitor Network: C1,C2 & C3 in Series & Parallel

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Homework Help Overview

The discussion revolves around a capacitor network where capacitors C1 and C2 are connected in series, and this combination is then connected in parallel with capacitor C3. Participants are exploring how to calculate the net capacitance of this configuration and the voltage across each capacitor when a voltage is applied.

Discussion Character

  • Exploratory, Problem interpretation, Assumption checking

Approaches and Questions Raised

  • Participants discuss the use of equations for capacitors in series and parallel, with one suggesting the need to find the equivalent capacitance of C1 and C2 before adding C3. There are questions about the problem statement and clarity on what is being asked.

Discussion Status

The discussion is ongoing, with participants attempting to clarify the problem statement and explore the calculations needed for the net capacitance and voltage across each capacitor. Some guidance on the approach has been provided, but there is no explicit consensus on the solution yet.

Contextual Notes

Participants are working with specific numerical values for the capacitances of C1, C2, and C3, and there is a voltage of 26.0 V applied across the network, which adds complexity to the calculations being discussed.

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Homework Statement


Capacitors C1 and C2 are connected in series and this combination is connected in parallel with capacitor C3.
HW8_2.jpg

Homework 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

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.
 
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Say you get x for the series connection and y is the capacitance of C3, the total capacitance equals x+y.
 
what is the problem statement?
 
rude man said:
what is the problem statement?
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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