Electromagnetic, Electromagnetic Waves, Physics.
the current that is created as a result of the change in the electric field, Ampere’s law is written in the form : Dividing both sides by a² and noting ∆Bz ≡ Bz (a/2, t) − Bz (−a/2, t) and ∆x ≡ a is found: This equation can be written in the form of a differential equation taking the limit ∆x → 0