Ключевые слова: background, board, bright, brown, capacitor, choke, circuit, closeup, coil, coils, complexity, component, components, computers, computing, copper, core, digital, electric, electrical, electricity, electronic, elements, energy, ferrite, ferromagnet, filter, high frequency, induction, inductor, industry, integrated, iron, kit, metal, nobody, part, power, powerful, ring, semiconductor, supply, switch, technology, telecommunications, toroid, transformer, winding, wire, yellow,