User:Hagao/sandbox

Testing

$$\oint_{\partial\Sigma} \mathbf{B}\cdot\, d \boldsymbol{\ell} = \mu_0 \left( \iint_\Sigma \mathbf{J}\cdot\, d \mathbf{S}       + \varepsilon_0 \frac{d}{d t} \iint_\Sigma \mathbf{E}\cdot d \mathbf{S}\right)$$