What is difference between electric flux and Gauss law?

It is important to note that while the electric flux is not affected by charges that are not within the closed surface, the net electric field, E, in the Gauss’ Law equation, can be affected by charges that lie outside the closed surface.

Is Gauss law and electric flux the same?

Gauss law says the electric flux through a closed surface = total enclosed charge divided by electrical permittivity of vacuum.

What is difference between electric flux and electric field?

The electric field ( ) is defined as the electric force per unit charge. The electric flux ( )is defined as the electric field times the normal area vector.

What is the difference between flux and electric flux?

electric field is a vector quantity whereas flux is a scalar quantity and the electric flux density is also a scalar but it’s definition is as defined by you.

What is meant by electric flux?

electric flux, property of an electric field that may be thought of as the number of electric lines of force (or electric field lines) that intersect a given area. … The negative flux just equals in magnitude the positive flux, so that the net, or total, electric flux is zero.

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When can you use Gauss law?

Gauss’s law is usually used in cases of symmetry (spherical/cylindrical/planar) where we could determine that the electric field on a closed loop is constant on every point of it (dependent only on r) and fom there we could get it out of the integral.

What is Gauss law explain?

Gauss Law states that the total electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity. The electric flux in an area is defined as the electric field multiplied by the area of the surface projected in a plane and perpendicular to the field.

Is electric flux and electric flux density same?

Electric flux density is electric flux passing through a unit area perpendicular to the direction of the flux. Electric flux density is a measure of the strength of an electric field generated by a free electric charge, corresponding to the number of electric lines of force passing through a given area.

What is the difference between the electric field E and electric flux density D?

Electric flux density, assigned the symbol D, is an alternative to electric field intensity (E) as a way to quantify an electric field. … The electric flux density D=ϵE, having units of C/m2, is a description of the electric field in terms of flux, as opposed to force or change in electric potential.

What is the difference between electric flux and flux density?

Flux vs Flux Density

Flux is the amount of the field through a particular surface. Flux density is the amount of the field going through a unit area. Both of these ideas are very important in fields such as electromagnetics, power and electrical engineering, physics and many more fields.

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Is electric flux scalar or vector?

It is a dot product of electric field vector (vector E) and area vector (vector ds). As it is a dot product. So, electric flux is a scalar quantity.

How many types of electric flux are there?

Electric Flux. Luminous Flux. Radiant Flux or Energy Flux. Heat Flux.

What is electric flux in class 12th?

Electric flux – Electric flux is the measure of number of electric field lines passing through any surface . It is a scalar quantity. It’s S.I unit is volt meters. Gauss Law- It is defined as the total flux linked within a closed surface is equal to the 1ε0 times the total charge enclosed by that surface.