Electrostatic P...

Charges $$ q_1, q_2\ and\ q_3 $$ are placed on capacitor of capacitance $$ C_1, C_2\ and\ C_3 $$ respectively arranged in series as shown, switch S is then closed.
$$ Given\ q_1 = 30 C, q_2 = 20 C, q_3 = 10 C; C_1 = 10 F; C_2 = 20F; C_1 = 30 F\ and\ 12 volts $$
 The final chage on capacitor $$ C_1 is- $$

Six identical capacitors are connected as shown in figure. Capacitance of each capacitors is 5$$\mu$$F. The effective capacitance between point A and b is 

The effective resistance between the points $$A$$ and $$B$$ in figure is

If a thin metal foil of same area is placed between the two plates of a parallel plates capacitors of capacitance C then new capacitance will be

Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be

The capacitance of parallel plate capacitor is 12$$\mu F$$  If the distance between the plates is double and are is halved, the new capacitance will be 

Find equivalent capacitance between A and B 

The equivalent capacitor between $$ A $$ and $$ B $$ in the given figure is

In the given network of capacitors, the equivalent capacitance between pints A and  B is 

Minimum number of capacitors of 2$$  \mu \mathrm{F}  $$ each required to obtain a capacitance of 5$$  \mu F $$  will be