The figure shows a network of capacitors where the numbers indicate capacitances in microfarads $(\mu F)$. The value of capacitance $C$ if the equivalent capacitance between points $A$ and $B$ is to be $1\,\mu F$ is:

Four capacitors are connected as shown in the figure. The equivalent capacitance between the points $P$ and $Q$ is ....... $\mu F$.

An electrical technician requires a capacitance of $2 \; \mu F$ in a circuit across a potential difference of $1 \; kV$. $A$ large number of $1 \; \mu F$ capacitors are available,each of which can withstand a potential difference of not more than $400 \; V$. Suggest a possible arrangement that requires the minimum number of capacitors.

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......$V$.

For the arrangement of capacitors as shown in the circuit,the effective capacitance between the points $A$ and $B$ is (capacitance of each capacitor is $4 \mu F$): (in $\mu F$)

The difference between the equivalent capacitances of two identical capacitors connected in parallel and in series is $6 \mu F$. The value of the capacitance of each capacitor is (in $\mu F$)