What is a magnetic field carrier?

Question

Electronics

Maybe the question is incorrect, but I would like to know how the magnetic field propagates.

Answer 1

Electric and magnetic fields are described by Maxwell's equations. They act as hypotheses tested by practice. Of course, in theoretical physics they have been tested and the solutions of these equations satisfy the values ​​of some constants. In short, if you want to know in more detail, open Landau and Lifshitz, get scared, but you will already have a rough idea of ​​\u200b\u200bwhat to look for on the Internet.

Answer 2

The magnetic field, like a cat, it walks by itself. It just is.
But the electromagnetic already needs to be directed (by dielectrics, for example).

Answer 3

At the moment, no one knows for sure.