Explain dielectric constant with expressions.

Dielectric constant has the same dimensions

What is potential at a distance r (lt R) in a dielectric sphere of uniform charge density rho , radius R and dielectric constant epsilon_(r) .

Explain the term cell constant.

The velocity factor of a transmission line is 0.62 .Calculate dielectric constant of the insulation used.

An isolated capacitor of capacitance C is charged to a potential V. Then a dielectric slab of dielectric constant K is inserted as shown. The net charge on four surfaces 1,2, 3 and 4 would be respectively.

The two square faces of a rectangular dielectric slab (dielectric constant4.0) of dimensions 20cm x20cm x 1.0mm are metal -coated. Find the capacitance between the coated surfaces.

Correct ORDER of acidity & dielectric constant is

Dielectric constant has the same dimensions as

C_(p) ( without dielectric ) = 2C C_(Q) ( without dielectric ) = C k and 2 k are dielectric constant of two dielectrics . Find resultant capacity between A and B .

A and C are concentric conducting spherical shells of radius a and c respectively.A is sueeounded by a concentric dielectric medium of inner radius a, outer radius b and dielectric constant k. If sphere A is given a charge Q, the potential at the outer surface of the dielectric is