∮CB⃗∘dl⃗=μ0(Ienc+ε0ddt∫SE⃗∘n^ da)\def\d{\mathrm{d}} \oint_C \vec{B}\circ \d\vec{l} = \mu_0 \left( I_{\text{enc}} + \varepsilon_0 \frac{\d}{\d t} \int_S \vec{E} \circ \hat{n}\; \d a \right)