Difference between revisions of "Maxwell's Equations"
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: $$\nabla \cdot \mathbf{E} = \frac{\rho}{\epsilon_0}$$ | : $$\nabla \cdot \mathbf{E} = \frac{\rho}{\epsilon_0}$$ | ||
where $$\epsilon_0$$ is the permittivity of free space and $$\mu_0$$ is the permeability of free space. | where $$\epsilon_0$$ is the permittivity of free space and $$\mu_0$$ is the permeability of free space. | ||
In the example of an ideal vacuum with no charge or current, (i.e., $$\rho=0$$ and $$\mathbf{J}=0$$), these equations reduce to: | In the example of an ideal vacuum with no charge or current, (i.e., $$\rho=0$$ and $$\mathbf{J}=0$$), these equations reduce to: | ||