Electro-magnetic a. : Of, Pertaining to, or produced by, magnetism which is developed by the passage of an electric current.

Example:
Can the Electro-magnetic field around the earth be destroyed?

Taxonomy
electromagnetism, magnetic field, classical electromagnetism, electric current, theory, electromagnetic force, Electricity and Magnetism, electromagnetic field, A2, 2007-06-04, physics, free encyclopedia, phenomenon, special relativity, electric field, Classical electrodynamics, photoelectric effect, experiment.

Defination from the web:
magnetic field produces an electric field (this is the phenomenon of electromagnetic induction, the basis of operation for electrical ... This deflection convinced him that magnetic fields radiate from all sides off of a wire carrying an electric ... tesla (magnetic field) ...