Snt level iii ch 4 et Study guides, Class notes & Summaries

Eddy currents are circulating electrical currents induced in conductive materials by: - Answer-an alternating magnetic field The method used to generate eddy currents in a test specimen by means of a coil can most closely be compared with the action of a: - Answer-transformer Electromagnetic testing relies on the principle of: - Answer-electromagnetic induction When the electrical current in an eddy current coil reverses direction, the: - Answer-direction of the eddy currents in the test p...