Depth of Penetration & Current Density
Eddy currents are closed loops of induced current circulating in planes perpendicular…
Impedance
Electrical Impedance (Z), is the total opposition that a circuit presents to alternating…
Self-Inductance and Inductive Reactance
The property of self-inductance is a particular form of electromagnetic induction. Self inductance is…
Induction and Inductance
Induction In 1824, Oersted discovered that current passing though a coil created a magnetic field capable…
Current Flow and Ohm’s Law
Ohm's law is the most important, basic law of electricity. It defines…
Properties of Electricity
Since eddy current inspection makes use of electromagnetic induction, it is important…
Basic Principles of Eddy Current Inspection
Eddy current inspection is one of several NDT methods that use the…


