ms: Di mana "e"' adalah cas magnet bagi zarah dan A potensi vektor elektrik bagi medan elektromagnet. Di mana "e" 'cas magnet bagi zarah dan A ialah potensi vektor elektrik bagi medan elektromagnet.
en: Where `` e '' is the magnetic charge of the particle and A the electric vector potential of the electromagnetic field . Where `` e '' the magnetic charge of the particle and A is the electrical vector potential of the electromagnetic field .