A capacitor is composed of three parallel conducting plates. All three plates are of same area A. The first pair of plates are kept a distance `d_(1)` apart and the space between them is filled with a medium of a dielectric `epsilon_(1)`. The corresponding values for the second pair of plates are `d_(2)`. and `epsilon_(2)` respectively. What is the surface charge density on the middle plate?

A capacitor is composed of three parallel conducting plates. All three plates are of the same area A. The first pair of plates are kept a distance d_(1) apart, and the space between them is filled with a medium of a dielectric K_(1) . The corresponding data of the second pair are d_(2) and K_(2) , respectively. The middle plate is connected to the positive terminal of a constant voltage source V and the external plates are connected the other terminal of V. (a) Find the capacitance of the system . (b) What is the surface charge density on the middle plate ? (c) Compute the energy density in the medium K_(1)

A capacitor is composed of three parallel conducting plates. All three plates are of the same area A. The first pair of plates are kept a distance d_(1) apart, and the space between them is filled with a medium of a dielectric K_(1) . The corresponding data of the second pair are d_(2) and K_(2) , respectively. The middle plate is connected to the positive terminal of a constant voltage source V and the external plates are connected the other terminal of V. (a) Find the capacitance of the system . (b) What is the surface charge density on the middle plate ? (c) Compute the energy density in the medium K_(1)

The capacitance of a parallel plate capacitor with plate area A and separation d is C . The space between the plates in filled with two wedges of dielectric constants K_(1) and K_(2) respectively. Find the capacitance of resulting capacitor.

The capacitance of a parallel plate capacitor with plate area A and separation d is C . The space between the plates in filled with two wedges of dielectric constants K_(1) and K_(2) respectively. Find the capacitance of resulting capacitor.

In the beginning the space between the plates of a parallel plate capacitor contains air and thereafter it is filled up with a medium of dielectric constant K. Then ......

A capacitor of plate area A and separation between plates d is half filled with dielectric of dielectric constant K. What is equivalent capacitance?

A system of two parallel plates, each of area A, are separated by distance d_(1) and d_(2) . The space between them is filled with dielectrices of permitivities epsilon_(1) and epsilon)_(2) . The permittivity of free space is epsilon_(0) . The equivalent capacitance of the system is

A parallel plate capacitor with air between the plates has a capacitance of 8 pF. Calculate the capacitace if the distance between the plates is reduced by half and the space between them is filled with a substance of dielectric constant (epsilon_(r)=6)