Phase lag is a parameter of the eddy current signal that makes it possible to…

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

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

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

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

The property of self-inductance is a particular form of electromagnetic induction. Self inductance is defined as the…

Induction In 1824, Oersted discovered that current passing though a coil created a magnetic field capable of shifting a…

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

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

Eddy current inspection is one of several NDT methods that use the principal of “electromagnetism”…