Whenever current flows through a wire it creates a magnetic field. Energy is stored in the form of a magnetic field in or around the inductor. Sic 3677 Electronic Coils And Transformers Encyclopedia Of Electronic Components Volume 1 Resistors File Toroidal Inductor With Fully Confined Magnetic B Field When the property of inductance was discovered in the 1830s by joseph henry and michael faraday separately and on different continents technology was revolutionized. Inductors history . An inductor is a passive electrical component that can store energy in a magnetic field created by passing an electric current through it. Definition and history may 24 2011. History of tdk inductors and noise suppression components this brochure is printed on recycled paper using soy based ink. 1937 worlds first ferrite coil cores launched 1962 tdks first coils p...