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measuring magnetic characteristics

hemholtz coil Lakeshore

Measuring Permanent Magnet Characteristics with a Helmholtz Coil and Fluxmeter

Magnetic fields are invisible, so there is no way to tell if a magnet is good or bad just by looking at it. There are a variety of tools for testing available, but one of the simplest and most popular is a Helmholtz coil. Connected to a  fluxmeter,  you can use it to measure the

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