]> $$i=\frac{-dQ}{dt}$$ $$∯\overrightarrow{E}·d\overrightarrow{A}=\frac{q}{\epsilon }$$ $$\oint \overrightarrow{E}·d\overrightarrow{s}=-\frac{d{\Phi }_B}{dt}$$ $$∯\overrightarrow{B}·d\overrightarrow{A}=0$$ $$\oint \overrightarrow{B}·d\overrightarrow{s}=\mu i+\mu \epsilon \frac{d{\Phi }_E}{dt}$$ $$$$ $$\nabla ·\overrightarrow{j}=-\frac{\partial \rho }{\partial t}$$ $$\nabla ·\overrightarrow{D}=\rho$$ $$\nabla \times \overrightarrow{E}=-\frac{\partial \overrightarrow{B}}{\partial t}$$ $$\nabla ·\overrightarrow{B}=0$$ $$\nabla \times \overrightarrow{H}=\frac{\partial \overrightarrow{D}}{\partial t}+\overrightarrow{j}$$ $$$$ $$\sum Q=\text{const}$$ $$$$ $$i=\frac{dq}{dt}$$ $$i=\iint \overrightarrow{j}·d\overrightarrow{A}$$ $$q=\iiint \rho dV$$ $$\overrightarrow{D}=\epsilon \overrightarrow{E}$$ $$\overrightarrow{B}=\mu \overrightarrow{H}$$ $$\frac{1}{{\mu }_0{\epsilon }_0}=c^2$$ $$$$ $${\epsilon }_0=8.85·{10}^{-12}\frac{{\text{C}}^2}{\text{N}·{\text{m}}^2}$$ $$K=\frac{1}{4\pi \epsilon }\approx 9·{10}^9\frac{\text{N}·{\text{m}}^2}{{\text{C}}^2}$$ $${\mu }_0=4\pi ·{10}^{-7}\frac{\text{T}·\text{m}}{\text{A}}$$ $$$$ $$\overrightarrow{E}=K\frac{q\stackrel{‸}{r}}{r^2}=K\frac{q\overrightarrow{r}}{r^3}$$ $$\overrightarrow{F}=q_0\overrightarrow{E}$$ $$\overrightarrow{F}=K\frac{q_{0}q\overrightarrow{r}}{r^3}$$ $$$$ $$\overrightarrow{E}=-\nabla V$$ $$\overrightarrow{F}=-\nabla U_E$$ $$$$ $$V=K\frac{q}{r}$$ $$\Delta V=-\int \overrightarrow{E}·d\overrightarrow{s}$$ $$U_E=K\frac{q_{0}q}{r}$$ $$\Delta U_E=-W=-\int \overrightarrow{F}·d\overrightarrow{s}$$ $$U_E=q_{0}V$$ $$$$ $$\overrightarrow{B}=\frac{\mu q}{4\pi }\frac{\overrightarrow{v}\times \overrightarrow{r}}{r^3}$$ $$d\overrightarrow{B}=\frac{\mu }{4\pi }\frac{i·d\overrightarrow{s}\times \overrightarrow{r}}{r^3}$$ $$\overrightarrow{F}=q\overrightarrow{v}\times \overrightarrow{B}$$ $$$$ $$E=v_{\text{drift}}B$$ $$$$ $$ℰ=-N\frac{d{\text{Φ}}_B}{dt}$$ $$i=\frac{ℇ}{R}$$ $$$$ $$V=\underset{l}{\overset{\infty }{\int }}\overrightarrow{E}d\overrightarrow{l}$$ $$$$ $$\{\begin{array}{c}\overrightarrow{B}=\mathrm{rot}\overrightarrow{A}\\ \mathrm{div}\overrightarrow{A}=0\end{array}$$ $${\nabla }^{2}A=-{\mu }_0\overrightarrow{j}$$ $$jdV=\overrightarrow{j}d\overrightarrow{s}·d\overrightarrow{l}=Id\overrightarrow{l}$$ $$d\overrightarrow{A}=\frac{\mu I}{4\pi R}d\overrightarrow{l}$$ $$d\overrightarrow{B}=\frac{\mu }{4\pi }\frac{\overrightarrow{j}\times \overrightarrow{R}}{R^3}dV$$ $$$$ $$\left[i\right]\equiv \text{A}$$ $$\left[i\right]=\text{A}$$ $$\left[j\right]=\frac{\text{A}}{{\text{m}}^2}$$ $$\left[A\right]={\text{m}}^2$$ $$\left[E\right]=\frac{\text{N}}{\text{C}}=\frac{\text{V}}{\text{m}}$$ $$\left[q\right]=\text{C}=\text{A}·\text{s}$$ $$\left[q\right]=\text{C}$$ $$\left[B\right]=\text{T}=\frac{\text{N}}{\text{A}·\text{m}}$$ $$\left[B\right]=\text{T}$$ $$\left[s\right]=\text{m}$$ $$\left[V\right]=\frac{\text{J}}{\text{C}}=\text{V}$$ $$\left[U_E\right]=\text{J}$$ $$\left[\rho \right]=\frac{\text{C}}{{\text{m}}^2}$$ $$\left[D\right]=\frac{\text{C}}{{\text{m}}^2}$$ $$\left[H\right]=\frac{\text{A}}{\text{m}}$$ $${\Phi }_B$$ $${\Phi }_E$$ $$\left[W\right]=\text{J}=\text{N}·\text{m}$$ $$\left[Q\right]=\text{C}$$ $$$$