∇ · E = ρ ε 0 ∇ × E = - ∂ ⁡ B ∂ ⁡ t c 2 ⁢ ∇ × B = ∂ ⁡ E ∂ ⁡ t + j ε 0 ∇ · B = 0 ∇ · E ρ ε 0 ∇ × E 0 B t c 2 ∇ × B E t j ε 0 ∇ · B 0