Electromagnetic Induction

Electromagnetic induction is the process where a changing magnetic field induces an electric current in a conductor, foundational for various electrical technologies.

Introduction To Electromagnetic Induction

Electromagnetic induction is the process by which a changing magnetic field induces an electric current in a conductor, foundational for electrical technologies.

Faraday’s Laws Of Electromagnetic Induction

Faraday’s laws describe how a change in the magnetic field induces an electromotive force (EMF) in a closed loop.

Lenz's Law

Lenz's Law states that the direction of induced current opposes the change in magnetic flux that caused it, demonstrating the principle of conservation of energy.

Factors Affecting Electromagnetic Induction

The section discusses the key factors that influence electromagnetic induction, which include the strength of the magnetic field, the rate of change of the magnetic field, the number of turns in the coil, and the area of the coil.

Applications Of Electromagnetic Induction

This section discusses various applications of electromagnetic induction, highlighting electric generators, transformers, inductors, and eddy currents.

Self-Induction And Mutual Induction

This section covers the concepts of self-induction and mutual induction, highlighting how changing currents in coils can induce electromotive forces.

Eddy Currents And Their Applications

Eddy currents are induced currents in conductors exposed to changing magnetic fields, leading to heat generation and energy loss.

Conclusion

Electromagnetic induction is a crucial process where changes in magnetic fields induce electric currents, forming the foundation for many electrical technologies.