Question

What is electro magnetic field?

Answer 1

An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field. The electromagnetic field extends indefinitely throughout space and describes
the electromagneticinteraction.....

Hope it helps you dear....

Answer 2

the magnetic field formed due to flow of epectrons, this field is called electromagnetic field as its name suggest that it is formed due to flow of electric current in the conductor.