Electrostatics ...

Two capacitors of capacities C₁ and C₂ are charged to voltages V₁ and V₂ respectively. There will be no exchange of energy in connecting them in parallel, if

A capacitor of capacity C₁ is charged to the potential of V₀. On disconnecting with the battery, it is connected with a capacitor of capacity C₂ as shown in the adjoining figure. The ratio of energies before and after the connection of switch S will be

Four capacitors of each of capacity 3 µF are connected as shown in the adjoining figure. The ratio of equivalent capacitance between A and B and between A and C will be

Three equal capacitors, each with capacitance C are connected as shown in figure. Then the equivalent capacitance between A and B is

In the adjoining figure, four capacitors are shown with their respective capacities and the P.D. applied. The charge and the P.D. across the 4 0 capacitor will be

A 4µF condenser is connected in parallel to another condenser of 8µF. Both the condensers are then connected in series with a 12µF condenser and charged to 20 volts. The charge on the plate of 4µF condenser is

A capacitor having capacitance C is charged to a voltage V. It is then removed and connected in parallel with another identical capacitor which is uncharged. The new charge on each capacitor is now

Four capacitors are connected in a circuit as shown in the following figure. Calculate the effective capacitance between the points A and B

Effective capacitance between A and B in the figure shown is (all capacitance are in µF)

The resultant capacitance between A and B in the following figure is equal to