Write the Gauss’s law in equation form for electrostatics and magnetism. What is the difference between them ?

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Gauss's law for electrostatic,

$\sum \overrightarrow{\mathrm{E}} \cdot \overrightarrow{\Delta \mathrm{S}}=\frac{q}{\varepsilon_{0}}$

(Where charge $q$ enclosed by a surface)

Gauss's law for magnetism,

$\sum \overrightarrow{\mathrm{B}} \cdot \overrightarrow{\Delta \mathrm{S}}=0$

The difference between the Gauss's law of magnetism and electrostatics is that isolated magnetic poles (also called monopoles) does not exist.

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