Name

Without magnetic monopoles

With magnetic monopoles

Gauss’s law

∇ ⋅ E = 4 π ρ e

Gauss’s law for magnetism

∇ ⋅ B = 0

∇ ⋅ B = 4 π ρ m

Faraday’s law of induction

− ∇ × E = 1 c ∂ B ∂ t

− ∇ × E = 1 c ∂ B ∂ t + 4 π c j m

Ampere’s law (with Maxwell’s extension)

∇ × B = 1 c ∂ E ∂ t + 4 π c j e

Lorentz force law

F = q e ( E + v c × B )

F = q e ( E + v c × B ) + q m ( B − v c × E )