Which of the following field equations indicate that the free magnetic charge do not exist
(a) H=\frac{1}{\mu} \nabla \times A
(b) H=\oint \frac{1 d I \times R}{4 \pi R^{2}}
(c) ∇.H =0
(d) ∇ × H = J
Which of the following field equations indicate that the free magnetic charge do not exist
(a) H=\frac{1}{\mu} \nabla \times A
(b) H=\oint \frac{1 d I \times R}{4 \pi R^{2}}
(c) ∇.H =0
(d) ∇ × H = J