## What is the flux of an electric field?

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.

## What is electric flux Class 12?

Electric flux is the measure of flow of the electric field through a given area. Electric flux is proportional to the number of electric field lines going through a normally perpendicular surface. Thus, the area element is a vector.

## What is electric flux and its SI unit?

Electric Flux: Electric flux is a number of electric lines of forces which posses through any cross sectional area when the cross sectional area in kept perpendicular to the direction of electric field. Electric flux is scalar quantity which is denoted by ΦE. S.I. Unit is Neutron(metre2/ coulomb) NM˙2/C.

## Is electric flux positive or negative?

Recall that electric flux is proportional to the number of electric field lines crossing a surface. For a closed surface, electric field lines will be either entering or leaving the surface and thus the corresponding flux may be positive or negative.

## What is electric flux used for?

It is the measure of flow of electric field through the given area. It measures the total charge enclosed inside any arbitrary surface. The more the electric flux is the more charge must be there inside the surface to produce the needed number of electric field lines.

## Is electric flux a scalar?

Electric flux is a scalar quantity. It is a scalar because it is the dot product of two vector quantities, electric field and the perpendicular differential area.

## How do you calculate flux?

Know the formula for electric flux.The Electric Flux through a surface A is equal to the dot product of the electric field and area vectors E and A.The dot product of two vectors is equal to the product of their respective magnitudes multiplied by the cosine of the angle between them.

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## What is called electric dipole?

The electric dipole moment is a measure of the separation of positive and negative electrical charges within a system, that is, a measure of the system’s overall polarity.

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## What is the unit of flux?

The tesla (symbol T) is the derived SI unit of magnetic flux density, which represents the strength of a magnetic field. One tesla represents one weber per square meter.

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## What does negative flux mean?

Remember our convention for flux orientation: positive means flux is leaving, negative means flux is entering. In this example, water is falling downward, or entering the tube. This means the top surface has negative flux (it appears to be siphoning up water).

## Can electric field be negative?

Electric field is not negative. It is a vector and thus has negative and positive directions. An electron being negatively charged experiences a force against the direction of the field. For a positive charge, the force is along the field.

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