Magnetism is a force that attracts (pulls closer) or repels (pushes away) objects that have a magnetic material like iron inside them (magnetic objects). In simpler words, it is a property of substances which pull closer or repel other objects. It is a subject in physics.
|Electricity · Magnetism · Magnetic permeability|
Electromagnetic tensor • EM Stress-energy tensor • Four-current • Electromagnetic four-potential