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Faraday's law of electromagnetic induction
The induced e.m.f. generated in a conductor is proportional to the rate of change of magnetic flux linking the circuit.

Faraday's Law demonstration

Visit the websites to do a virtual simulation of Faraday's experiments.

Faraday's iron ring experiment :-
Faraday's solenoid experiement :-

The magnitude of the induced e.m.f. in the conductor can be increased by:-
  • increasing the strength of the magnet
  • increasing the length of wire within the magnetic field (i.e. increasing the number of turns of the solenoid)
  • increasing the relative speed between the magnet or conductor.