# A report onFaraday's law of induction, Electromagnetic induction and Electric generator

Faraday's law of induction (briefly, Faraday's law) is a basic law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electromotive force (emf)—a phenomenon known as electromagnetic induction.

It is the fundamental operating principle of transformers, inductors, and many types of electrical motors, generators and solenoids.

Michael Faraday is generally credited with the discovery of induction in 1831, and James Clerk Maxwell mathematically described it as Faraday's law of induction.

- Electromagnetic induction

Electromagnetic induction has found many applications, including electrical components such as inductors and transformers, and devices such as electric motors and generators.

- Electromagnetic induction

The principle, later called Faraday's law, is that an electromotive force is generated in an electrical conductor which encircles a varying magnetic flux.

- Electric generator

Alternating current generating systems were known in simple forms from Michael Faraday's original discovery of the magnetic induction of electric current.

- Electric generator

## Transformer

Passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.

Passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.

Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to a changing magnetic flux encircled by the coil.

Electromagnetic induction, the principle of the operation of the transformer, was discovered independently by Michael Faraday in 1831 and Joseph Henry in 1832.

By the 1870s, efficient generators producing alternating current (AC) were available, and it was found AC could power an induction coil directly, without an interrupter.

## Electromotive force

Electrical action produced by a non-electrical source, measured in volts.

Electrical action produced by a non-electrical source, measured in volts.

Devices (known as transducers) provide an emf by converting other forms of energy into electrical energy, such as batteries (which convert chemical energy) or generators (which convert mechanical energy).

In electromagnetic induction, emf can be defined around a closed loop of conductor as the electromagnetic work that would be done on an electric charge (an electron in this instance) if it travels once around the loop.

The general principle governing the emf in such electrical machines is Faraday's law of induction.

English scientist who contributed to the study of electromagnetism and electrochemistry.

English scientist who contributed to the study of electromagnetism and electrochemistry.

His main discoveries include the principles underlying electromagnetic induction, diamagnetism and electrolysis.

His demonstrations established that a changing magnetic field produces an electric field; this relation was modelled mathematically by James Clerk Maxwell as Faraday's law, which subsequently became one of the four Maxwell equations, and which have in turn evolved into the generalization known today as field theory.

Faraday would later use the principles he had discovered to construct the electric dynamo, the ancestor of modern power generators and the electric motor.