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User:Van Ladmon

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                                           



                  B          b         t         a         š



                                           

                                            Ampère's circuital law (with Maxwell's addition) ∮ ∂ Σ B ⋅ d ℓ = 1 c ( 4 π ∬ Σ J ⋅ d S + d d t ∬ Σ E ⋅ d S ) {\displaystyle \oint _{\partial \Sigma }\mathbf {B} \cdot \mathrm {d} {\boldsymbol {\ell }}={\frac {1}{c}}\left(4\pi \iint _{\Sigma }\mathbf {J} \cdot \mathrm {d} \mathbf {S} +{\frac {d}{dt}}\iint _{\Sigma }\mathbf {E} \cdot \mathrm {d} \mathbf {S} \right)}