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Tue, Oct 13, 2026 / Ideas for a clearer worldINDEPENDENT INSIGHTS · PRACTICAL TOOLS · EXPLAINERS
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EXPLORE THE FIELD

Basics

Basics

Depth of Penetration Current Density

Eddy currents are closed loops of induced current circulating in planes perpendicular to the magnetic flux. They normally…

August 24, 2021 · Prabhu TL
Basics

Impedance

Impedance Electrical Impedance (Z), is the total opposition that a circuit presents to alternating current. Impedance is measured in…

August 24, 2021 · Prabhu TL
Basics

Circuits and Phase

Circuits and Phase A circuit can be thought of as a closed path in which current flows through…

August 24, 2021 · Prabhu TL
Basics

Mutual Inductance

The magnetic flux through a circuit can be related to the current in that circuit and the currents…

August 24, 2021 · Prabhu TL
Basics

Self-Inductance and Inductive Reactance

Self-Inductance and Inductive Reactance The property of self-inductance is a particular form of electromagnetic induction. Self inductance is defined as…

August 24, 2021 · Prabhu TL
Basics

Induction and Inductance

In 1824, Oersted discovered that current passing though a coil created a magnetic field capable of shifting a compass needle. Seven years…

August 24, 2021 · Prabhu TL
Basics

Current Flow and Ohm’s Law

Ohm’s law is the most important, basic law of electricity. It defines the relationship between the three fundamental…

August 24, 2021 · Prabhu TL
Basics

Properties of Electricity

Since eddy current inspection makes use of electromagnetic induction, it is important to know about the scientific principles…

August 24, 2021 · Prabhu TL