Electric field intensity at a point varies as `r^(-3)` for

Define electric field intensity at a point.

Define electric field intensity at a point.

Electric field at a point varies as r^(0) for

The electric field intensity at a point located at distance r(r lt R) from the center of a spherical conductor (radius R) charged Q will be-

The electric field intensity at a point near a sphere of radius r and surface density of rho in a medium of dielectric constant K is

What is electric field intensity at a point at a distance r meter from q coulomb of a charge in free space ?

The electric field intensity at all points in a uniform electric field is _______________ . [Fill in the blanks]