Two condensers of capacity $0.3\,\mu F$ and $0.6\,\mu F$ respectively are connected in series. The combination is connected across a potential of $6\,V$. The ratio of energies stored by the condensers will be

Three capacitors of capacitance $1.0 \mu F$,$2.0 \mu F$,and $5.0 \mu F$ are connected in series to a $10 \ V$ source. The potential difference across the $2.0 \mu F$ capacitor is

Two capacitors connected in parallel having the capacities $C_1$ and $C_2$ are given $q$ charge,which is distributed among them. The ratio of the charge on $C_1$ and $C_2$ will be

The network of six capacitors is as shown in the figure. The equivalent capacitance between $A$ and $B$ is

Three capacitors of capacitance $1\ \mu F$,$2\ \mu F$,and $3\ \mu F$ are connected in series,and a potential difference of $11\ V$ is applied across the combination. The potential difference across the plates of the $1\ \mu F$ capacitor is......$V$.

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 $\mu F$)