ABSTRACT
Taking the divergence of Ampère's law gives https://www.w3.org/1998/Math/MathML"> ∇ ⋅ ( ∇ × B ) = μ 0 ∇ ⋅ J = 0 , https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781032646688/a7d34903-20d2-4eb3-810e-5f76137f8550/content/math10_1.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
