The Biot-Savart law is an equation that describes how an infinitesimal current element produces a magnetic field at any given point in space. It provides a way to calculate the magnitude and direction of this magnetic field.
Related terms
Lorentz Force Law: The Lorentz force law describes how charged particles experience both electric and magnetic forces when moving through electromagnetic fields.
Gauss's Law for Magnetism: Gauss's law for magnetism states that there are no isolated north or south poles; every magnet has both poles.