Maxwell's Equations of Electromagnetism:
Gauss' Law for Electrical Charge
∇ ·
E →
= 4 π ρ
Gauss' Law for Magnetism
∇ ·
B →
= 0
Faraday's Law
∇ ×
E →
= -
1
c
∂
B →
∂ t
Ampere's Law
∇ ×
B →
=
1
c
4 π
J →
∂
E →
∂ t