I suppose that these are inductors, which use their magnetic shield, as it were, to eliminate outside interference.
Given how the ferrite inductors work, I think that they have usefulness in audio applications as well.įor example, I’ve read that a way to eliminate some of the familiar buzz or hum when using microphones is to use coiled wires. This is a good introduction to the subject. You can use that homemade magnet to pick up things like paper clips, using its stored energy. I think that field is what the article would classify as a flux. I think that the more wiring that you wrap around the metal the greater the field will be. The result will be a magnetic field, albeit a slight one. As you recall from your high school science class, all you need to do to create a simple magnet is wrap magnetic wire around a conductive metal element. December 26, - I think that the simplest example of induction is a basic magnet.
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