Electric Field

Magnetic Field

$\nabla \cdot E=0$

$\nabla \cdot B=0$

$\nabla \times E=-\frac{\partial B}{\partial t}-ic{\mu }_{0}J$

$\nabla \times B=\frac{1}{c^2}\frac{\partial E}{\partial t}-{\mu }_{0}J\left\{1+{ϵ}_{0}V\cdot \nabla e\right\}$