∇\cdot(∇\times \boldsymbol{A})=0 div\boldsymbol{D}(\boldsymbol{x},t)=ρ(\boldsymbol{x},t) div\boldsymbol{B}(\boldsymbol{x},t)=0] rot\boldsymbol{E}(\boldsymbol{x},t)=-\displaystyle\frac{∂\boldsymbol{B}(\boldsymbol{x},t)}{∂t) rot\boldsymbol{H…