what is the equation for making the total capacitance the subjet?

http://img214.imageshack.us/img214/1540/cap.th.png

many thanks :)

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- Feb 23rd 2009, 05:12 AMdecoy808give equation making total capacitance the subject?
**what is the equation for making the total capacitance the subjet?**

http://img214.imageshack.us/img214/1540/cap.th.png

**many thanks :)** - Feb 23rd 2009, 05:53 AMu2_wa
Let $\displaystyle C'$ be the total capacitance.

Capacitance of capacitors in parallel $\displaystyle = 2C$

now: $\displaystyle C' = 1/(2C) + 1/C = 1/C'$

$\displaystyle C' = 3/2C$

$\displaystyle (2C')/3=C$