Understanding Magnetic Flux: Visualization & Beyond

[v_pino]

What is the definition of Magnetic Flux?

My textbook tells me that it may be 'visualised as the total number of magnetic field lines rather tan their concentration... be aware that this is NOT a definition.'

thank you

 

[Defennder]

Have you learned what is electric flux yet? If so, magnetic flux is the same as electric flux when you replace the electric field with a magnetic one. But probably you haven't since otherwise you would have understood it easily. Just think of it this way: Suppose you have a magnetic field and you want to know how much of the magnetic field passes through a specified plane surface. Just visualise it as magnetic field lines passing through that plane surface. The magnetic flux would then be the dot product of the magnetic field B with the surface area represented as a vector A normal to the surface. The surface integral is used to represent the summation of all the magnetic flux measured at any area element dA on your surface.

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

 

[astrokreng]

Magnetic flux is a measurement of the total number of magnetic field lines passing through a given area. It is a way to quantify the strength of a magnetic field and can be visualized as the total number of magnetic field lines rather than just their concentration. However, it is important to note that while this visualization is helpful, it is not a definition of magnetic flux. The true definition of magnetic flux is the measure of the amount of magnetic field passing through a surface. This can be represented mathematically as the product of the magnetic field strength and the area perpendicular to the field. It is an important concept in understanding the behavior and effects of magnetic fields in various scientific and technological applications.