“Electromagnetism” is a silent educational film from the late 1920s that explains the basic principles of electromagnetism using simple animations, diagrams, and live-action demonstration ...

In 1830, English physicist Michael Faraday confirmed Oersted's theory, and established the principle of electromagnetic induction. In 1864, James Clerk Maxwell, an experimental physics ...

Discovery and understanding of electromagnetic induction are based on a long series ... Lenz’s law complies with the principle of conservation of energy. Here when the N-pole of a bar magnet ...