What is meant by electric flux through a surface 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. … The vector associated with every area element of a closed surface is taken to be in the direction of the outward normal.

What is meant by electric flux through a surface?

Electric Flux through a surface is defined as the surface integral of the electric field lines passing normally through the surface. ϕ=∫E . dS. According to gauss’s law, total electric flux through a closed surface equals the net charge enclosed in the surface divided by the permittivitty.

What is meant by electric flux and its SI unit?

Electric flux is defined as the measure of count of number of electric field lines crossing an area. Electric flux ϕ=EAcosθ SI unit of electric flux is Nm2/C.

What is meant by electric flux and write its expression?

Electric flux is defined as the measure of count of number of electric field lines crossing an area. Electric flux ϕ=EAcosθ SI unit of electric flux is Nm2/C.

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What is equipotential surface Class 12?

Equipotential surface is a surface where all the points lying on the surface have the same electric potential. This means that a charge will have the same potential energy at every point on the equipotential surface.

What is meant by flux in physics?

Flux is the presence of a force field in a specified physical medium, or the flow of energy through a surface. … Flux is depicted as “lines” in a plane that contains or intersects electric charge poles or magnetic poles.

What do you mean by flux?

noun. a flowing or flow. the flowing in of the tide. continuous change, passage, or movement: His political views are in a state of flux. Physics.

What is called electric flux?

In electromagnetism, electric flux is the measure of the electric field through a given surface, although an electric field in itself cannot flow. It is a way of describing the electric field strength at any distance from the charge causing the field.

What is an equipotential surface Ncert?

An equipotential surface is one where the potential is same at every point on the surface. … Since r is constant, the equipotential surfaces are concentric spherical surfaces centered at the charge. Electric field lines are radial starting from or ending at the charge for positive and negative charges respectively.

What is equipotential line and equipotential surface?

An equipotential line is a line along which the electric potential is constant. An equipotential surface is a three-dimensional version of equipotential lines. Equipotential lines are always perpendicular to electric field lines.

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What is an equipotential surface give example?

a surface all of whose points have the same potential. For example, the surface of a conductor in electrostatics is an equipotential surface. In a force field the lines of force are normal, or perpendicular, to an equipotential surface.