Question

define magnetic leakage

Answer 1

Hey friend the answer will be

Magnetic leakage can be defined as the passage of magnetic flux outside the path along which it can do useful work.

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Answer 2

Magnetic flux leakage is a magnetic method of nondestructive testing that is used to detect corrosion and pitting in steel structures, most commonly pipelines and storage tanks. The basic principle is that a powerful magnet is used to magnetize the steel. 
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