Assertion: magnetic field | /r/HasProperty | b
Facets:
Source sentences:
text: For the magnetic fields "B" (magnetic flux density) and "H", see Magnetic field
text: In electromagnetism, a sub-discipline of physics, the magnetic flux through a surface is the surface integral of the normal component of the magnetic field (B) passing through that surface.
text: Within the core the magnetic field (B) will be approximately uniform across any cross section, so if in addition the core has roughly constant area throughout its length, the field in the core will be constant.
text: The direction of the magnetic field (B) at a specified point is the direction that the north end of a compass needle points at that position.