ELECTROSTATIC POTENTIAL AND CAPACITANCE

A parallel plate capacitor has the space between its plates filled by two slabs of thickness each and dielectric constant and. Is the plate separation of the capacitor. The capacity of the capacitor is

Two metal pieces having a potential difference of 800 V are 0.2 m apart horizontally. A particle of mass kg is suspended in equilibrium between the plates. If is an elementary charge, then charge on the particle is

Each capacitor shown in figure is Then the equivalent capacitance between points is

Capacitor of a capacitor is 48. When it is charged from 0.1 C to 0.5 C , change in the energy stored is

In the case of a charged metallic sphere, potential (V) changes with respect to distance(S) from the centre as

A sphere of radius is charged to a potential V. The outward pull per unit area of its surface is given by

An air capacitor is charged with an amount of charge and dipped into an oil tank. If the oil is pumped out , the electric field between the plates of capacitor will

A capacitor of capacitance is charged to a potential . The flux of the electric field through a closed surface enclosing the capacitor is.

Two identical capacitors each of capacitance 5F are charged to potentials 2kV and 1kV respectively. Their ve ends are connected together. When the +ve ends are also connected together, the loss of energy of the system is

A parallel plate condenser with a dielectric of dielectric constant between the plates has a capacity and is charged to a potential volt. The dielectric slab is slowly removed from between the plates and then reinserted. The net work done by the system in this process is