What is the oldest electric motor?

Written by Editorial Team | Last Updated: August 2026

The historic electric motor created by British scientist Michael Faraday in 1821 is widely documented as the oldest experimental electric motor in the world. Built shortly after Hans Christian Ørsted discovered electromagnetism, Faraday's ingenious apparatus consisted of a free-hanging wire dipping into a pool of mercury with a permanent magnet placed at the bottom; when an electric current from a chemical battery passed through the wire, it rotated continuously around the magnet. This historic invention successfully demonstrated the fundamental principle of converting electrical energy into mechanical rotational force, establishing the bedrock physical science that ultimately enabled the development of modern electric motors, industrial machinery, and electric vehicles.

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