Convert to a Differential equation

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Convert to a Differential equation

**Begin with Gauss' law in integral form.**

\[
\oint_S \mathbf{E} \cdot d\mathbf{S} = \frac{Q}{\varepsilon_0}
\]

**Explanation:**

Gauss' Law in integral form relates the electric flux through a closed surface \( S \) to the charge \( Q \) enclosed by that surface. \( \mathbf{E} \) represents the electric field, \( d\mathbf{S} \) is a differential area on the closed surface \( S \), and \( \varepsilon_0 \) is the permittivity of free space. The left-hand side of the equation, \( \oint_S \mathbf{E} \cdot d\mathbf{S} \), symbolizes the integral of the electric field over the surface, indicating how much field flows through the surface.
Transcribed Image Text:**Begin with Gauss' law in integral form.** \[ \oint_S \mathbf{E} \cdot d\mathbf{S} = \frac{Q}{\varepsilon_0} \] **Explanation:** Gauss' Law in integral form relates the electric flux through a closed surface \( S \) to the charge \( Q \) enclosed by that surface. \( \mathbf{E} \) represents the electric field, \( d\mathbf{S} \) is a differential area on the closed surface \( S \), and \( \varepsilon_0 \) is the permittivity of free space. The left-hand side of the equation, \( \oint_S \mathbf{E} \cdot d\mathbf{S} \), symbolizes the integral of the electric field over the surface, indicating how much field flows through the surface.
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