_:b19497 . _:b19497 . _:b19579 . . "current density"@en . "Current density is the density of flow of a conserved charge. It is a derived quantity in the International System of Units. Current density is electric current divided by area."@en . _:b19498 . "j" . _:b19579 . . _:b19579 . _:b19498 . . _:b19579 . "J" . _:b19497 . _:b19497 _:b19498 . _:b19498 .