What is induction in electrical terms?

Induction in electrical terms refers specifically to the generation of alternating current (AC) by the movement of a conductor through a magnetic field. This process is based on the principles of electromagnetism, as established by Faraday's law of electromagnetic induction. When a conductor, like a wire, moves within an existing magnetic field or when the magnetic field around a conductor changes, an electromotive force (EMF) is induced in the conductor. This induced EMF causes an electric current to flow if the circuit is closed.

This phenomenon is foundational to many electrical devices, including generators and transformers, where mechanical energy is converted into electrical energy or vice versa. Understanding induction is crucial in the fields of electrical engineering and physics, as it is a key principle behind the operation of numerous technologies that power homes and industries today.