Consider the following statements regarding Maxwell’s equation in differential form:
a) For free space: ∇ × H = (σ + jωε) E
b) For free space: ∇ ⋅ D ≃ ρ
c) For steady current: ∇ × H = J
d) For static electric field: ∇ ⋅ D = ρ
What of the above statements are correct?
1
a and b
2
b and c
3
c and d
4
d and a