Magnetic Core Materials
Having no magnetically active core material (an "air core") provides very low inductance in most situations, so a wide range of high-permeability materials are used to concentrate the field. Most high-permeability material are ferromagnetic or ferrimagnetic.
Read more about this topic: Magnetic Core
Famous quotes containing the words magnetic, core and/or materials:
“We are in great haste to construct a magnetic telegraph from Maine to Texas; but Maine and Texas, it may be, have nothing important to communicate.”
—Henry David Thoreau (1817–1862)
“It is possible to have a strong self-love without any self-satisfaction, rather with a self-discontent which is the more intense because one’s own little core of egoistic sensibility is a supreme care.”
—George Eliot [Mary Ann (or Marian)
“Realism to be effective must be a matter of selection. ... genius chooses its materials with a view to their beauty and effectiveness; mere talent copies what it thinks is nature, only to find it has been deceived by the external grossness of things.”
—Julia Marlowe (1866–1950)