Electromagnetism

The branch of physics that studies electric and magnetic fields and their interactions.

Articles with this tag: 2 Updated: August 7, 2026

Articles with this tag

Ampère's circuital law A basic law of electromagnetism linking the circulation of a magnetic field around a closed loop to the electric current it encloses, later extended by Maxwell to cover changing el…

Magnetic moment

Magnetic moment Quantity that characterizes the strength and orientation of a magnetic source; determines torque in external fields, energy, and dipolar field patterns across scales from electrons…