engineering recuitment BHEL Engineer Trainee Mock Test 2025 Electromagnetic Theory Maxwell's Equations
The equation which states the non-existence of isolated magnetic pole is
1
∇ ⋅ D = ρ
2
∇ ⋅ B = 0
3
\(\nabla \cdot J = - \frac{{\partial \rho }}{{\partial t}}\)
4
∇ × H = J