How Do You Calculate Equivalent Capacitance with a Middle Capacitor?

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To calculate the equivalent capacitance with a middle capacitor, it's important to recognize the configuration of the capacitors in the circuit. The basic formulas for series and parallel combinations, ceq = c1 + c2 for parallel and 1/ceq = 1/c1 + 1/c2 for series, are essential. The middle capacitor complicates the calculation, often requiring a different approach, such as analyzing the circuit as a Wheatstone bridge. Understanding the arrangement of the capacitors will help in determining how to simplify the circuit. Clarifying the connections and applying the correct formulas will lead to the solution.
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Homework Statement



find the equvialent capacitace

Homework Equations




ceq=c1+c2
1/ceq=1/c1+1/c2



The Attempt at a Solution



I know how to do some of these problems but this one has me stumped. I don't know how to start since the middle capacitor screws everything up. I think my teacher did it but I wasn't there for it and he won't do it again. Any help would be appreciated greatly. Don't worry about the charges and other specs as I can deal with that easily. Just the problem of the middle capacitor. I don't even know where to start to attempt this.
 

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go and look at the theory for bridge (wheatstone bridge) circuit setup to get some ideas.
 

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