A $100 \mathrm{pF}$ Capacitor is charged to a potential difference of $100 \mathrm{V}$It is connected in parallel to another capacitor. If the final voltage be $30 \mathrm{V}$Then what will be the capacitance of the second capacitor? How much energy will be wasted and what will happen to it?

capacitance${\mathrm{C}}_1 = 3 \mathrm{\mu F}, {\mathrm{C}}_2 = 6\mathrm{\mu F}$ and ${\mathrm{C}}_3 = 10 \mathrm{\mu F},$ Are connected to a $10 \mathrm{V}$ Battery as shown in figure. Calculate :

(a) equivalent capacitance.

capacitance${\mathrm{C}}_1 = 3 \mathrm{\mu F}, {\mathrm{C}}_2 = 6\mathrm{\mu F}$ and ${\mathrm{C}}_3 = 10 \mathrm{\mu F},$ are connected to a $10 \mathrm{V}$ battery as shown in figure. Calculate :

(b) electrostatic potential energy stored in the system.

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.