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For static electric and magnetic fields in an inhomogeneous source-free medium, which of the following represents the correct form of two of Maxwell's equations?

1. $\begin{array}{II}\nabla \cdot \mathbf{E}=0 \\ \nabla \times \textbf{B} = 0 \end{array}$
2. $\begin{array}{II}\nabla \cdot \mathbf{E}=0 \\ \nabla \cdot \textbf{B} = 0 \end{array}$
3. $\begin{array}{II}\nabla \times \mathbf{E}=0 \\ \nabla \times \textbf{B} = 0 \end{array}$
4. $\begin{array}{II}\nabla \times \mathbf{E}=0 \\ \nabla \cdot \textbf{B} = 0 \end{array}$