Abstract
Publisher Summary This chapter describes the concepts of electromagnetic induction and inductance. When a conductor is moved across a magnetic field, an electromotive force (EMF) is produced in the conductor. If the conductor forms part of a closed circuit, then the EMF produced causes an electric current to flow round the circuit. Therefore, an EMF is induced in the conductor as a result of its movement across the magnetic field. This effect is known as electromagnetic induction. Faraday's laws of electromagnetic induction state that an induced EMF is set up whenever the magnetic field linking that circuit changes; and the magnitude of the induced EMF in any circuit is proportional to the rate of change of the magnetic flux linking the circuit. In a generator, conductors forming an electric circuit are made to move through a magnetic field. By Faraday's law, an EMF is induced in the conductors and, thus, a source of EMF is created.
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