Gauss’s Law

The SI unit of electrical flux is:

Which law is used to derive the expression for the electric field between two uniformly charged large parallel sheets with surface charge densities $\sigma$ and $-\sigma$ respectively:

What is the electric field inside a uniformly charged hollow cylinder?

A hollow charged metal sphere has radius $r$. If the potential difference between its surface and a point at a distance $3r$ from the centre is$V$, then electric field intensity at a distance $3r$ is:

A charge $\mathrm{Q}$ is distributed uniformly in a sphere (solid). Then the electric field at any point $\mathrm{r}$, where $\mathrm{r}<\mathrm{R}$ ( $\mathrm{r}$ is radius of sphere) varies as_____.

Two infinitely long parallel conducting plates having surface charge densities $+\mathrm{\sigma }$ and $-\mathrm{\sigma }$ respectively are separated by a small distance. The medium between the plates is vacuum, if ${\mathrm{\epsilon }}_{\mathrm{o}}$ is dielectric permittivity of vacuum, then the electric field in the region between the plates is-

A cylinder of radius $R$ and length $L$ is placed in a uniform electric field $E$ parallel to the cylinder axis. The total flux for the surface of the cylinder is given by

Derive Gauss's law from Coulomb's law.

Assertion: Gauss's law can't be used to calculate electric field near an electric dipole.
Reason: Electric dipole don't have symmetrical charge distribution.

Area vector is a vector quantity associated with each plane figure whose magnitude is

The total flux through the faces of the cube with side of length $\mathrm{\alpha }$ if a charge $\mathrm{q}$ is placed at corner $\mathrm{A}$ of the cube is

A conducting spherical shell of radius $R$ has a charge $+q$units. The electric field due to the shell at a point

A Gaussian sphere encloses an electric dipole within it. The total flux through the sphere is

Flux coming out from a unit positive charge enclosed in air is

A conducting spherical shell of radius $R$ has a charge $+q$units. The electric field due to the shell at a point

A hollow cylinder has a charge $q \mathrm{coulomb}$ at the middle point of it. If $\mathrm{\varphi }$ is the electric flux in units of volt metre associated with the curved surface $B$, the flux linked with the plane surface $A$ in a unit of volt metre will be

Which one is the SI unit of electric flux

The radii of two conducting spheres are $a$ and $b$. When these are given same surface charge density the ratio of electric field intensities at their surfaces is 

Obtain an expression for electric field intensity at a point outside infinitely long charged conducting cylinder.

A square in a horizontal orientation is situated in a uniform horizontal electric field such that a line drawn in the plane of square makes angle of ${30}^0$ with electric field. If side of square is $a$ then flux through the square will be