Two capacitors of $1\,\mu F$ and $2\,\mu F$ are connected in series. The resultant capacitance will be ..... $\mu F$.

In the given circuit,what is the potential difference across the $6\, \mu F$ capacitor in volts?

When three capacitors of equal capacities are connected in parallel and one of the same capacity is connected in series with the combination,the resultant capacity is $4.5 \mu F$. The capacity of each capacitor is: (in $\mu F$)

If there are $n$ capacitors,each of capacitance $C$,connected in parallel to a $V$ volt source,then the energy stored is equal to

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

Four capacitors with capacitances $C_1 = 1 \, \mu F$,$C_2 = 1.5 \, \mu F$,$C_3 = 2.5 \, \mu F$,and $C_4 = 0.5 \, \mu F$ are connected as shown and are connected to a $30 \, V$ source. The potential difference between points $B$ and $A$ is....$V$