Gauss's Law for Magnitism

\[\nabla\cdot \mathbf{B}=0\] \[\displaystyle\oint_{\text{surface}}B\cdot d\mathbf{A}=0\]

The net magnetic flux through any closed surface is zero.
Magnetic field lines always form closed loops. There are no “magnetic charges” to start or end the lines.

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Notes mentioning this note

Maxwell's Equations
[[Gauss’s Law for Electricity]] The electric flux out of a closed surface is proportional to the total electric charge enclosed....

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