Electrostatics ...

Two condensers of capacities 2C and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be

In the figure below, what is the potential difference between the points A and B and between B and C respectively in steady state

Figure given below shows two identical parallel plate capacitors connected to a battery with switch S closed. The switch is now opened and the free space between the plate of capacitors is filled with a dielectric of dielectric constant 3. What will be the ratio of total electrostatic energy stored in both capacitors before and after the introduction of the dielectric?

A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is connected to another battery and is charged to potential difference 2V. The charging batteries are now disconnected and the capacitors are connected in parallel to each other in such a way that the positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is

Condenser A has a capacity of 15 µF when it is filled with a medium of dielectric constant 15. Another condenser B has a capacity of 1 µF with air between the plates. Both are charged separately by a battery of 100 V. After charging, both are connected in parallel without the battery and the dielectric medium being removed. The common potential now is

Four metallic plates each with a surface area of one side A are placed at a distance d from each other. The plates are connected as shown in the circuit diagram. Then, the capacitance of the system between a and b is

In the given circuit if point C is connected to the earth and a potential of + 2000 V is given to the point A, the potential at B is

A finite ladder is constructed by connecting several sections of 2 µF, 4 µF capacitor combinations as shown in the figure. It is terminated by a capacitor of capacitance C. What value should be chosen C such that the equivalent capacitance of the ladder between the points A and B becomes independent of the number of sections in between

In an isolated parallel plate capacitor of capacitance C, the four surface have charges Q₁, Q₂, Q₃ and Q₄ as shown. The potential difference between the plates is

For the circuit shown, which of the following statement is true?