Hence, electric flux depends on the net charge enclosed and the permittivity of the medium, and not on the size or shape of the surface.
Advertisements
Advertisements
Question
The electric flux through a closed Gaussian surface depends upon ______.
Options
Net charge enclosed and permittivity of the medium.
Net charge enclosed, permittivity of the medium and the size of the Gaussian surface.
Net charge enclosed only.
Permittivity of the medium only.
Advertisements
Solution
The electric flux through a closed Gaussian surface depends upon net charge enclosed and permittivity of the medium.
Explanation:
According to Gauss’s law, the total electric flux through a closed Gaussian surface is given by:
Φ = `Q_"enclosed"/epsilon`
RELATED QUESTIONS
Define electric flux.
Find out the outward flux to a point charge +q placed at the centre of a cube of side ‘a’. Why is it found to be independent of the size and shape of the surface enclosing it? Explain.
Two charges of magnitudes −3Q and + 2Q are located at points (a, 0) and (4a, 0) respectively. What is the electric flux due to these charges through a sphere of radius ‘5a’ with its centre at the origin?
If the flux of the electric field through a closed surface is zero,
(a) the electric field must be zero everywhere on the surface
(b) the electric field may be zero everywhere on the surface
(c) the charge inside the surface must be zero
(d) the charge in the vicinity of the surface must be zero
The electric field in a region is given by `vec"E"` = 5 `hatk`N/C. Calculate the electric flux Through a square of side 10.0 cm in the following cases
- The square is along the XY plane
- The square is along XZ plane
- The normal to the square makes an angle of 45° with the Z axis.
The electric flux through the surface ______.
![]() |
![]() |
![]() |
![]() |
| (i) | (ii) | (iii) | (iv) |
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 ______.
Total electric flux coming out of a unit positive charge kept in air is ______.
A hollow sphere of radius R has a point charge q at its centre. Electric flux emanating from the sphere is X. How will the electric flux change, if at all, when charge q is replaced by an electric dipole?
A hollow cylinder has a charge of 'q' C within it. If ЁЭЬЩ is the electric flux associated with the curved surface B, the flux linked with the plane surface A will be ______.





