$\oint \mathrm{E}.\mathrm{d}\mathrm{A}=\frac{\mathrm{q}}{{\mathrm{\varepsilon }}_{\mathrm{o}}}$ Gauss’s Law for electricity Faraday’s law $\oint \mathrm{B}.\mathrm{d}\mathrm{A}=0$ Gauss’s Law for magnetism Ampere-Maxwell law