Find the minimum and maximum capacitance obtained from three capacitors of $6 \ \mu F$ each.

Two capacitors of capacitance $4\,\mu F$ and $6\,\mu F$ are connected in series. $A$ potential difference of $500\,V$ is applied to the outer plates of the two-capacitor system. The potential difference across the plates of the $4\,\mu F$ capacitor is ......... $V$.

Find the equivalent capacitance between $A$ and $B$. (in $C$)

What is the equivalent capacitance between $A$ and $B$ in the given circuit (in $\mu F$)?

In the given figure,the equivalent capacitance $C_{AB}$ is equal to ...... $C$.

Five capacitors,each of capacitance $C$,are connected as shown in the figure. The ratio of the equivalent capacitance between $P$ and $R$ to the equivalent capacitance between $P$ and $Q$ is: