Gauss's law for magnetic fields

Definition

Gauss's law for magnetic fields states that the total magnetic flux through a closed surface is always zero. In other words, there are no magnetic monopoles, and the magnetic field lines always form closed loops.

Related terms

Magnetic Flux:

The measure of how much magnetic field passes through a given area.

Ampere's Law:

Relates the circulation of the magnetic field around a closed loop to the current passing through that loop.

Magnetic Monopole: A hypothetical particle or object with only one pole (either north or south) instead of both poles like regular magnets.