Ampere's law is a fundamental law of electromagnetism that relates magnetic fields to the currents that produce them. It states that the magnetic field around a current-carrying wire is proportional to the current and the distance from the wire.
Ampere's law is a fundamental law of electromagnetism that relates magnetic fields to the currents that produce them. It states that the magnetic field around a current-carrying wire is proportional to the current and the distance from the wire.