List of top Physics Questions on Capacitors

A capacitor of 100 \(\mu F\) is charged to 100 volt. The energy stored in it will be
In parallel combination of condensers, which quantity remains same for each condenser?

Find the equivalent capacitance between A and B, where \( C = 16 \, \mu F \). 

The capacitance of a capacitor is \( 3 \, \mu F \). If \( 108 \, \mu C \) charge is available in it, then what will be the potential difference between the plates?
Two parallel plate capacitors each of 15 µF capacity are connected in series. The space between the plates of one capacitor is filled with a dielectric material of dielectric constant \( K = 2 \). The equivalent capacitance of the system will be:

Derive an expression for energy stored in a charged capacitor. A spherical metal ball of radius 15 cm carries a charge of 2μC. Calculate the electric field at a distance of 20 cm from the center of the sphere.

Two capacitors of capacities \(5 \, \mu{F} \) and \( 10 \, \mu{F} \)F respectively are connected in series. Calculate the resultant capacity of the combination.
A capacitor of capacitance 900 μF is charged by a 100 V battery. The capacitor is disconnected from the battery and connected to another uncharged identical capacitor such that one plate of the uncharged capacitor is connected to the positive plate and another plate of the uncharged capacitor is connected to the negative plate of the charged capacitor. The loss of energy in this process is measured as \(x \times 10^{-2}\) J. The value of \(x\) is:
If a capacitor having capacitance \(2F\) and plate separation of \(0.5\ cm\) will have area:
Find the capacitance in shown figure
Find the capacitance in shown figure
Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle of 30° with each other. When suspended in a liquid of density 0.8 g cm-3 the angle remains the same. If density of the material of the sphere is 1.6 g cm-3, the dielectric constant of the liquid is