A free space has point charge of $6 \mu C$ at (0,0,1), a uniform line charge with density $180 nC/m$ along x axis and uniform surface charge with density $25 nC/m^2$ along the plain z = -1. Find the magnitude of x-component of $\overline{E}$ at point P(1,5,2).

For Electric field intensity $\overline{E}$ due to infinite spread surface charge present along z = 0, $\nabla ·\overline{E}$ at point P(x,y,z) will be

Two uniform line charge with density $5{\in }_0 C/m$ and $-5{\in }_0 C/m$ are present in free space at y=0, z=2 m and y=0, z=-2 m respectively. Find $\overline{E}$ at origin.

Let $\overline{E_1}$ and $\overline{E_2}$ be the Electric filed intensity measured at point (a,b,c) and (2a,b,c) respectively due to infinite length uniform line charge present along x- axis. The relation between $\overline{E_1}$ and $\overline{E_2}$ will be ______________ .

Let $\overline{E_1}$ and $\overline{E_2}$ be the Electric filed intensity measured at point (a,b,c) and (2a,2b,2c) respectively due to infinite spread uniform surface charge present along z=0. The relation between $\overline{E_1}$ and $\overline{E_2}$ will be ______________ .

The sphere with charge Q when placed inside, but not touching, a larger hollow uncharged sphere, the outer sphere gets charged to -Q. This electric displacement is called

Electric flux density in an electric filed is defined as ________.

The electric flux density is equal to ________.

Gaussian sphere closes an electric dipole within it. Then the total flux through the sphere is

The total electric flux coming out of a closed surfaced depends on _____________.