- #1
andre220
- 75
- 1
Homework Statement
A capacitor of capacitance ##C_1 = C## is charged by a battery of potential difference ##V_0##. After fully charged, it is disconnected from the batter and reconnected in series to a second, uncharged capacitor of capacitance ##C_2 = C/2## and another battery of potential difference ##10V_0##. The positive side of the first capacitor is connected to the positive terminal of the battery. Calculate the final potential difference across each of the capacitors.
Homework Equations
For the second circuit, ##C_{\mathrm{eq}} = \frac{1}{C_1} + \frac{1}{C_2} = \frac{1}{3} C## and also ##Q = C_{\mathrm{eq}} 10V_0 = \frac{10}{3}V_0 C##.
The Attempt at a Solution
So then, normally from here it would be straightforward, however, the first part about ##C_1## being charged to only ##V_0## is throwing me off. I know it would affect the potential difference across ##C_1##, but I can't quite see where that would fit in equation-wise.