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Impedance
Electrical Impedance (Z), is the total opposition that a circuit presents to alternating current. Impedance is…
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Circuits and Phase
A circuit can be thought of as a closed path in which current flows through…
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Mutual Inductance
The magnetic flux through a circuit can be related to the current in that circuit…
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Self-Inductance and Inductive Reactance
The property of self-inductance is a particular form of electromagnetic induction. Self inductance is defined as the…
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Induction and Inductance
Induction In 1824, Oersted discovered that current passing though a coil created a magnetic field capable of shifting a…
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Current Flow and Ohm’s Law
Ohm's law is the most important, basic law of electricity. It defines the relationship between…
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Properties of Electricity
Since eddy current inspection makes use of electromagnetic induction, it is important to know about…
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Basic Principles of Eddy Current Inspection
Eddy current inspection is one of several NDT methods that use the principal of “electromagnetism”…
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History of Eddy Current Testing
Eddy current testing has its origins with Michael Faraday's discovery of electromagnetic induction in 1831.…
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Eddy Current Testing (ET) Overview
Eddy current testing a modern Non-destructive testing – NDT method that has become one of…