# Magnetic flux

I have been asked to explain what is meant by 'the flux of a magnetic field B through a surface' and to include the case where the field is NOT perpendicular to the plane of the surface.

This seems quite simple but i just wanted to check my definition with you guys

I have;

The flux of a magnetic field B through a surface is the the strength of the magnetic field over a given area A and is given by the equation magnetic flux=A*B

Where the field is NOT perpendicluar to the plane it is given by the inclined angle to the perpendicular and given by the equation A*Bcos(theta)

Is that pretty much it?
Hope so :)

## The Attempt at a Solution

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kuruman
Homework Helper
Gold Member
That's OK, you are not saying anything incorrect. I am not sure though how complete your answer must be. For example, what happens when the surface is not a plane or when the magnetic field changes magnitude and/or direction from one point of the surface to the next. To get a better picture see the wikipedia article

http://en.wikipedia.org/wiki/Magnetic_flux

The quation just says; Expalin what is meant by"'the flux of a magnetic field B through a surface' Include the case where the magnetic field is NOT perpendicular to the plane of the surface.
Its a level 2 course

kuruman