The vector H in the far field of an antenna satisfies—

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The vector H in the far field of an antenna satisfies—

1. ∇. H = 0 and ∇ × H = 0
2. ∇. H ≠ 0 and ∇ × H ≠ 0
3. ∇. H = 0 and ∇ × H ≠ 0
4. ∇. H ≠ 0 and ∇ × H = 0

Correct Option: C

H = ∇ × A
∴ ∇ × H = ∇ × (∇ × A) = 0
∇. H = ∇. (∇ × A) = 0