Closely related to magnetic flux, it is the strength of the flux squeezed into a core. To use an analogy, magnetic flux is like light hitting the Earth and magnetic flux density is like light intensity, or how bright it is in a certain spot. Core material can only hold so much magnetic "intensity" before it runs out of room, then it saturates.
One of the two characteristics of a magnetic field (the other is the magnetic field strength). For EMFs, it is normal just to refer the magnetic field without worrying about the distinction
Lines of flux per unit area, usually measured in Gauss (C.G.S.). One line of flux per square centimeter is one Maxwell.
The amount of magnetic flux through a unit area, measured perpendicular to the direction of the magnetic flux radiating from the poles of a magnet. Normal units are Tesla or Gauss, which is equal to 0.0001*Tesla.
the magnetic field produced in a substance by an external magnetic field.
The representation of the strength of a magnetic field, given as the symbol B (see definition of "gauss").
A measure of the magnetic effect induced in a medium by an external field. Unit tesla, symbol T.