Electric Flux
Electric Flux: Overview
This Topic covers sub-topics such as Electric Flux
Important Questions on Electric Flux
The SI unit of electrical flux is:
The electric field components due to a charge inside the cube of side are as shown:
, where
.
Calculate the flux through the cube, and the charge inside the cube.
A cylinder of radius and length is placed in a uniform electric field parallel to the cylinder axis. The total flux for the surface of the cylinder is given by
Figure shows, in cross section, two Gaussian spheres and two Gaussian cubes that are centered on a positively charged particle. Select the correct alternatives.
In the figure, a hemispherical bowl of radius is shown. Electric field of intensity is represented in each situation by direction lines.
A positive point charge is placed (on the axis of the disc) at a distance of above the center of a disc of radius as shown in situation The magnitude of electric flux through the disc is Now, a hemispherical shell of a radius is placed over the disc such that it forms a closed surface as shown in situation The flux through the curved surface in the situation taking direction of area vector along outward normal as positive is
The flux entering and leaving a closed surface and respectively. Net charge enclosed by this surface in is
In a region of space having a spherically symmetric distribution of charge, the electric flux enclosed by a concentric spherical Gaussian surface varies with a radius as
where and are the constants.
The electric field strength in the region is given as,
Which one is the SI unit of electric flux
A large uniformly charged sheet having a surface charge density of lies in plane. Calculate the electric flux through a circular loop of radius whose axis makes on angle of with axis.
Consider a cube of side . Let a charge be placed at centre. Calculate the total flux linked with cube and flux linked with each face.
Explain the term electric flux. Write its SI unit and dimensions.
When does the electric flux through an area element placed in an electric field is zero ?
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 with electric field. If side of square is then flux through the square will be
lines of force (M.K.S. unit) are entering (M.K.S.units) inwards while lines of force (M.K.S. unit) going outwards from the surface then the total value of charge confined to the surface will be
The net flux passing through the surface of an imaginary cube of edge length placed in space having a uniform volume charge density, is . The net flux passing through the surface of an imaginary sphere of radius in the same space is
The net flux passing through the surface of an imaginary cube of side in the space (Charge is uniformly distributed in a space) is .Find the net flux passing through the surface of an imaginary sphere of radius in the space ?
Find the maximum flux through the sphere if a ring of radius having a linear charge density moves towards a solid imaginary sphere of radius , such that the centre of ring passes through the centre of sphere. The axis of the ring is perpendicular to the line joining the centres of the ring and the sphere.
If distance and radius are doubled so that becomes , becomes then the correct option is:
If is flux through surface of () due to electric field of () and be the flux through () due to electric field of () then: