_:b19589 . _:b19545 . "magnetic field"@en . _:b19589 . "H" . _:b19545 . . _:b19545 . _:b19544 . _:b19544 . _:b19544 _:b19545 . . _:b19544 . . "magnetic field strength"@en . _:b19589 . . "magnetizing field"@en . "magnetic field intensity"@en . _:b19589 .