. . _:b19538 . . . . _:b19588 . _:b19537 . _:b19537 . . . . . "magnetic flux"@en . _:b19537 . . "\u03A6" . . . . _:b19537 _:b19538 . . . . . . _:b19588 . . . _:b19538 . . _:b19588 . _:b19538 . . _:b19588 . "Magnetic flux through any area perpendicular to a magnetic field is the product of the area by the field strength."@en . .