Nov 27, 2017 · It is surprising that the homopolar generator, invented in one of Faraday's ingenious experiments in 1831, still seems to create confusion...

Feb 21, 2005 · The homopolar generator, also called the Faraday disk, is a low-voltage, high-current electric generator. It consists of a rotating conducting disk with one stationary brush (a sliding …

Mar 17, 2009 · The homopolar motor, first demonstrated by Michael Faraday in 1821, operates through the interaction of axial and radial magnetic fields with radial and axial current in the wire, resulting in …

Nov 24, 2025 · This discussion focuses on building a homopolar motor within a week, emphasizing the necessity of using a neodymium magnet and a ferromagnetic screw. Participants confirm that …

Jun 5, 2022 · The discussion centers on the operation of a simple DC motor without a commutator or controller, specifically a homopolar motor. Participants clarify that while traditional DC motors require …

Sep 24, 2017 · Since I discovered the homopolar motor, it has fascinated me a lot. Not because it has any practical use, but it works in spite of a non gradient magnetic field. Normally, an electric motor …

Jan 29, 2016 · It;s basically a homopolar disc with a magnet attached to it ,the disc being the conductive coating. You are right! I forgot the coating! But where is the Lorentz force in this demo? The electron …

Feb 8, 2020 · I was curious in regards to a homopolar motor where the energy imparted into the rotor comes from if the energy input is say 10v at 1000 amps and there is 10v 1000amps output.

Sep 27, 2019 · The discussion focuses on the mechanics of a homopolar generator, specifically addressing the derivation and significance of the differential element d l in relation to electromotive …

Mar 11, 2018 · The discussion centers on the relationship between the number of magnets and the performance of homopolar motors. It was established that increasing the number of magnets results …