In the given combination of capacitors, the$\mathrm{PD}$ Between the points $\mathrm{A}$ and$\mathrm{B}$ is $40 \mathrm{V}$ Find the effective capacitance between these points and charge on each capacitor.

Calculate the capacitance $\mathrm{C}$ in the given figure. The equivalent capacitance of the combination between $\mathrm{P}$ and $\mathrm{Q}$ is $30 \mathrm{\mu F}.$

Calculate the equivalent capacitance between the points $\mathrm{A}$ and $\mathrm{B}$ In the given combination.

In the given network, calculate (i) equivalent capacitance between $\mathrm{A}$ and $\mathrm{B},$ (ii) if a voltage of $150 \mathrm{V}$ Is applied between $\mathrm{A}$ and $\mathrm{B}$Calculate the $\mathrm{PD}$between the plates of $6 \mathrm{\mu F}$ Capacitance.

In the given network, calculate (i) equivalent capacitance between $\mathrm{A}$ and $\mathrm{B},$ (ii) if a voltage of $150 \mathrm{V}$ Is applied between $\mathrm{A}$ and $\mathrm{B}$Calculate the $\mathrm{PD}$between the plates of $6 \mathrm{\mu F}$ Capacitance.

Calculate the equivalent capacitance between the points $\mathrm{A}$and $\mathrm{B}$ In the given circuit. If $100 \mathrm{V} \mathrm{PD}$ Is established between $\mathrm{A}$and $\mathrm{B}$Then what will be the charge on the capacitor closest to?

Find the equivalent capacitance between the points $\mathrm{A}$ and $\mathrm{B}$In the given circuit. 

Four capacitors of equal capacitances are joined in series with a battery of $10 \mathrm{V} .$ The middle point $\mathrm{B}$ Is connected to the earth. What will be the potentials of the points $\mathrm{A}$ and $\mathrm{C}$?

A parallel-plate capacitor with no dielectric has a capacitance of $0.5\mathrm{\mu F}.$ The space between the plates is then filled with equal amounts of two dielectrics of dielectric constants. $2$ and $3$ in the two arrangements as shown one by one. Find the ratio of capacitances $C_{1_{ }}$and ${\mathrm{C}}_{\mathrm{II}}$.