1. ∇
·B
∇
·D =
∇ 0
× =
E ρ
∇ + ∂
× B
H ∂t
+ ∂ =
D 0
∂t
=
j

7. ∇
·B
∇
·D =
∇ 0
× =
E ρ
∇ + ∂
× B
H ∂t
+ ∂ =
D 0
∂t
=
j

25. ∇ · (φA) = (∇φ) · A + φ(∇ · A)
∇ · (A × B) = (∇ × A) · B + A · (∇ × B)
∇ · F dV = F · ndS
V ∂V

29. ∇·B =0
∇·D =ρ
∂B
∇×E+ =0
∂t
∂D
∇×H + =j
∂t

30. ∇·B =0
∇·D =ρ
∂B
∇×E+ =0
∂t
∂D
∇×H + =j
∂t