The potential at the point $B$ in the given figure is . . . . . . $V$.

The equivalent capacitance between $A$ and $B$ is......$\mu F$.

In the given circuit,each capacitor has a capacitance of $3\,\mu F$. What is the equivalent capacitance between points $A$ and $B$ in $\mu F$?

Four metallic plates, each with a surface area of one side $A$, are placed at a distance $d$ from each other. The plates are connected as shown in the figure. The capacitance of the system between $a$ and $b$ is

In the circuit shown in the figure,four capacitors are connected to a battery. The equivalent capacitance of the circuit is......$ \mu F$

All capacitors used in the diagram are identical and each is of capacitance $C$. Then the effective capacitance between the points $A$ and $B$ is