Known as the “Father of Electrical Engineering,” you probably know Michael Faraday is most famous for his contribution to the field of electromagnetism. He discovered the principles underlying electromagnetic induction and diamagnetism. Electromagnetic induction was discovered way back in 1830’s by Michael Faraday. It is the induction of an electromotive force in a circuit by varying the magnetic flux linked with the circuit. This either happens when a conductor is placed in a moving magnetic field or when a conductor is constantly moving in a stationary magnetic field. There are two laws related to electromagnetic induction, they are (i) Whenever a conductor is placed in a varying magnetic field, emf induces and this emf is called induced emf and if the conductor is a closed circuit then the induced current flows through it. (ii) The magnitude of the induced emf is equal to the rate of change of flux linkages. AC generator, electrical transformers etc works on the principle of electromagnetic induction.

Priya R Nair

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