Electrical current in a coil causes a magnetic field. The magnetic field curls around electric wire in which the current flows.
Electricity and magnetism are interrelated in many ways. They are manifestations of the same fundamental physical concepts.
Maxwell equations show the relation between the electricity and magnetism. The combined effects of electrical and magnetic fields, is called Lorenz force. As result of induced Lorenz force pulsing electromagnetism will produce electricity in cells and this is the basis for Pulsing Electromagnetic Field Therapy.