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Maxwell's equations hamugešhâ-ye Maxwell Fr.: équations de Maxwell A set of four fundamental equations that describe the electric and
magnetic fields arising from varying electric charges and magnetic fields,
electric currents, charge distributions,
and how those fields change in time. In their vector differential form,
these equations are: _{0}
(→ Gauss's law for electricity), ii) ∇. = 0
(→ BGauss's law for magnetism), iii) ∇ x = -∂E/∂Bt
(→ Faraday's law of induction), iv) ∇ x = μB_{0} +
μJ_{0}ε_{0}∂/∂Et
(→ Ampere's law), with
c^{2} = 1/(μ_{0}ε_{0}), where
E is → electric intensity,
B is → magnetic flux density,
ρ is → charge density,
ε_{0} is → permittivity,
μ_{0} is → permeability,
J is → current density,
and c is → speed of light.→ |