Find the potential of an isolated ball-shaped conductor with a charge q of radius `R_(1)` surrounded by an adjacent concentric layer of dielectric with dielectric constant k and outer radius `R_(2)`

Find the capacitance of an isolated ball-shaped conductor of radius R_(1) surrounded by an adjacent concentric layer of dielectric with permittivity epsilon and outside radius R_(2) .

Find the capacitance of an isolated spherical conductor of radius a surrounded by a concentric layer of dielectric of outer radius b and relative permittivity. epsi

Find out the capacitance of an isolated spherical conductor of radius R

A conductor having a charge density of 120muC//m^(2) is surrounded by a medium of dielectric constant 4. The electric intensity at a point very near the charged conductor is

A solid spherical conductor has charge +Q and radius R. It is surrounded by a solid spherical shell with charge -Q, innerradius 2R, and outer radius 3R. Which of the following statements is true?

The energy density of a medium of dielectric constant k surrounding the charged conductor is

Find the capacitance between the inner and outer curved cylindrical conductor surface as shown in figure. Space between conductor surface is filled with dielectric of dielectric constant k . Consider b lt lt R :

A parallel plate capacitor with a dielectric slab with dielectric constant k= 3 filling the space between the plates is charged to potential V and isolated. Then the dielectric slab is drawn out and another dielectric slab of equal thickness but dielectric constant k'= 2 is introduced between the plates. The ratio of the energy stored in the capacitor later to that initially is: