Permeability of Free Space

Definition

A physical constant denoted by μ₀, representing the ability of free space to allow magnetic field lines to pass through it. It has a value of approximately 4π x 10⁻⁷ T·m/A.

Related terms

Magnetic Field Strength: The force experienced by a unit positive test charge moving perpendicular to magnetic field lines.

Magnetic Flux Density (B-field): A measure of the strength and directionality of a magnetic field at any given point.

Ampere's Law:

Relates the circulating magnetic field around a closed loop to the electric currents passing through that loop.