Electromagnetic Induction

Faraday’s law, Lenz’s law, mutual induction and energy transfer.

1.Introduction to Electromagnetic Induction
A simple explanation of how electricity can be produced from magnetism and why electromagnetic induction is important.
2.Magnetic Flux
Understand magnetic flux as the measure of magnetic field passing through a surface, explained in simple terms.
3.Fleming’s Right-Hand Rule
Learn how Fleming’s right-hand rule helps us find the direction of induced current in a conductor.
4.Faraday’s First Law of Electromagnetic Induction
Beginner-friendly explanation of Faraday’s first law, which states that a change in magnetic field induces an emf.
5.Faraday’s Second Law of Electromagnetic Induction
Understand how the magnitude of induced emf depends on the rate of change of magnetic flux.
6.Lenz’s Law
Simple explanation of Lenz’s law, which tells us the direction of induced current and its opposition to change.
7.Induced EMF
Learn how induced emf is produced when magnetic flux changes and what factors affect its magnitude.
8.Induced Current
Understand how a changing magnetic field produces current in a conductor and how we determine its direction.
9.Self Induction
A simple introduction to self-induction where a changing current in a coil induces emf in the same coil.
10.Coefficient of Self-Induction
Learn how the coefficient of self-induction measures a coil’s ability to induce emf in itself.
11.Mutual Induction
Understand how a changing current in one coil induces emf in a nearby coil, with everyday examples.
12.Coefficient of Mutual Induction
Learn how the coefficient of mutual induction describes the efficiency of emf transfer between two coils.
13.Eddy Currents
Simple explanation of eddy currents, how they are produced, and their uses and disadvantages.
14.Applications of Electromagnetic Induction
Real-life uses of electromagnetic induction such as generators, induction cookers and transformers.
15.AC Generator
Beginner-friendly explanation of how an AC generator works using electromagnetic induction.
16.DC Generator
Learn the working of a DC generator and how it differs from an AC generator.
17.Transformer
Understand how transformers use electromagnetic induction to step up or step down voltage.
18.Energy Transfer in Electromagnetic Induction
Simple explanation of how electrical energy can be produced and transferred using induction.