13.1 Magnetic Flux

Describe the magnetic flux through an arbitrary area or geometric shape.

• For a magnetic field B  that is constant across an area A  , the magnetic flux through the area is defined as
  • i. The area vector is defined as perpendicular to the plane of the surface and outward from a closed surface.
  • ii. The sign of flux is given by the dot product of the magnetic field vector and the area vector.
• The total magnetic flux passing through a surface is defined by the surface integral of the magnetic field over the surface area. Relevant equation: TOPIC 13.1 Magnetic Flux