The equivalent capacitance of the system shown in the following circuit is $...........\mu F$.

In the given figure,the total charge stored in the combination of capacitors is $100\,\mu C$. The value of '$x$' is $............$.

Two capacitors of $10\,\mu F$ and $20\,\mu F$ are connected in series with a $30\,V$ battery. The charge on the capacitors will be,respectively:

Two batteries and two capacitors are connected as shown in the figure. The charge on the $2\,\mu F$ capacitor is.....$\mu C$.

Two capacitors each of capacity $2\,\mu F$ are connected in parallel. This system is connected in series with a third capacitor of $12\,\mu F$ capacity. The equivalent capacity of the system will be......$\mu F$

Three condensers of capacities $C_{1}, C_{2}, C_{3}$ are connected in series with a source of e.m.f. $V$. The potentials across the three condensers are in the ratio of