In Fig. $25-28,$ find the equivalent capacitance of the combination. Assume that C$1$ is $10\mathrm{.}0$ mF$,$ C$2$ is $5\mathrm{.}00$ mF$,$ and C$3$ is $4\mathrm{.}00$ mF$.($b$)$if V$=10$ v then, whats the charge on c$1$