Question

Write the phenomenon of electromagnetic induction.

Answer 1

It is the phenomenon of production of an emf due to the relative motion between a magnet and a solenoid.
The emf or current produced due to this relative motion is called an induced emf or an induced current.

Answer 2

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Electromagnetic induction is the process of generating electric current with a magnetic field. It occurs whenever a magnetic field and an electric conductor move relative to one another so the conductor crosses lines of force in the magnetic field.