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Ferrite permanent magnet / engine
The Ferrite cores are is used in areas where there is high electrical resistance of the ferrite leads to an extremely low eddy current losses. These items may include electronic inductors, transformers and the electromagnets. They are called a ferrite bead and are seen as a lump in the computer cable, which helps in preventing the high frequency electrical noise from leaving or entering the equipment.The ferrite particles may also be used as an element of the radar absorbing materials. They may also be used as coatings in the stealth aircraft and in the absorption tiles which line the rooms being used for electromagnetic compatibility measurements. The ferrite magnets are extremely common radio magnets including those used in the loudspeakers. It is commonly used magnetic material which helps in electromagnetic instrument pickups.