Four capacitors,each of capacitance $8 \mu F$,are connected as shown in the figure. The equivalent capacitance between points $A$ and $B$ is: (in $\mu F$)

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:

In the given figure,the potential at point $A$ is $900 \ V$ and point $B$ is earthed. What will be the potential at point $P$ (in $V$)?

Two parallel plate air capacitors are connected in parallel. Each capacitor has plate area $A/2$ and separation between the plates is $d$ and $2d$ respectively. The equivalent capacity of the combination is $(\epsilon_0 = \text{absolute permittivity of free space})$

In the given capacitor network,$C_1 = 10\,\mu F$,$C_2 = 5\,\mu F$,and $C_3 = 4\,\mu F$. What is the resultant capacitance between $A$ and $B$ in $\mu F$?

The equivalent capacitance between points $a$ and $b$ in the given circuit is ........ $\mu F$.