
The following figure shows the initial charges on the capacitors. After the switch is closed, find the charge on the capacitor .




Important Questions on Capacitance
The following figure shows the initial charges on the capacitors. After the switch is closed, find the work done by the battery.

Two identical capacitors each of capacity are charged up to the same potential . Now their oppositely charged plates are connected together, then calculate the potential of each capacitor after connection.

Two identical capacitors each of capacity are charged up to the same potential . Now their oppositely charged plates are connected together, then calculate the energy loss in the form of heat.

The work done in moving a charge on the surface of a given charged conductor of potential is,

The distance between plates of a parallel plate capacitor is . The positively charged plate is at and the negatively charged plate is at . Two slabs-one of conductor and the other of a dielectric, both of the same thickness are inserted between the plates as shown in the figure. Potential versus distance graph will be

A condenser is charged at a steady rate of per second. Calculate the time required to establish a potential difference of between its plates.

For the circuit shown in the figure, find
Final energy stored in the capacitor after the switch is closed.

