Problem with understanding the definition of magnetic flux.

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SUMMARY

Magnetic flux is defined as the product of magnetic flux density (B) and area (A), expressed mathematically as Flux = B x A. Magnetic flux density, also known as magnetic field strength, is measured in Teslas (1 Tesla = 1 Weber per square meter). The confusion arises from the terminology, as magnetic flux is not defined as magnetic field strength per unit area, but rather as the total magnetic field passing through a given area. Understanding these definitions clarifies the relationship between magnetic flux and magnetic field strength.

PREREQUISITES
  • Understanding of magnetic field concepts
  • Familiarity with the units of measurement in magnetism, specifically Webers and Teslas
  • Basic knowledge of mathematical multiplication in physics
  • Awareness of the concept of magnetic flux density
NEXT STEPS
  • Research the relationship between magnetic flux and magnetic field strength in detail
  • Study the historical context of magnetic units, including Webers and Teslas
  • Explore applications of magnetic flux in real-world scenarios, such as electromagnetism
  • Learn about the graphical representation of magnetic fields and lines of force
USEFUL FOR

Students studying physics, educators teaching electromagnetism, and anyone seeking to deepen their understanding of magnetic concepts and their applications.

kapitan90
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Homework Statement


Probably a silly question, but I can't figure it out.

Why is magnetic flux defined as magnetic field strength per unit area if it is found by multiplying the strength of magnetic field B by area A rather than dividing by area A?

Thanks for any responses :)
 
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I think you have your terms confused. You know that a magnetic field can be represented by lines of force?
The closer the lines are the stronger the force and therefor a 'sensible' unit for magnetic FIELD STRENGTH would be 'lines per square metre'
Historically 'lines' were called Webers and therefore magnetic field strength can be given as Webers per square metre. 1 Weber per square metre is now called 1 Tesla so magnetic field strength is given in Tesla.
Magnetic field strength is also known as 'magnetic flux density' and the symbol is B.
Magnetic FLUX is flux density x Area and is given in Webers
Flux = B x A
Hope this helps .... The units in magnetism are not very user friendly
 
Last edited:
I understand now, thanks for help!
 

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