Why don’t all magnets have this ability? Is it based on the material? If a magnet is turned off, is it that the material is demagnetized somehow and then magnetized again?
In: Engineering
Some if not most (modern) welding clamp magnets have a switch that “turns them of” seemingly without power like most electromagnets require, all that is though is the magnet, which is an “always on” rare earth magnet, is changing physical position a bit inside so its magnetic field has little to no effect through the casing it is in, its a really clever system that works amazing.
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