Electromagnetic Induction

Eddy currents are currents which circulate in conductors like swirling eddies in a stream. They are induced by changing magnetic fields and flow in closed loops, perpendicular to the plane of the magnetic field. ... Like any current flowing through a conductor, an eddy current will produce its own magnetic field.

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Course Content

5 sections • 14 lectures • 01h 50m total length

Introduction of Faraday's Law of Induction

Faraday's Law

10min

Demonstration of Faraday's Law of Induction

Demonstration

10min

Lenz's Law

10min

Demonstration of Lenz's Law

Demonstration

10min

	Concept of eddy current eddy current		5min
	electromagnetic braking electromagnetic braking		5min

	Induction Stove Induction Stove		5min
	Electrical Brake Electrical Brake		10min

	Calculating Eddy Currents Calculating Eddy Currents		5min
	Eddy Current Testing Eddy Current Testing		10min

	self Induction self Induction		5min
	Calculate Self Inductance of an inductor inductor		10min
	Mutual Inductance Mutual Inductance		5min
	Calculating Mutual Inductance Calculating Mutual Inductance		10min

Requirements

Physics

Description

Eddy currents are current loops formed over conductor surfaces due to changing magnetic flux. They are useful in induction heating, levitating, electromagnetic damping, and electromagnetic braking. They can be minimized by adding slots in the conductor surface & laminating.