# Thévenin's theorem

> English word · Proper noun

## Definitions
1. A theorem which states that any electric circuit between two terminals containing only resistors, voltage sources, and current sources can be equivalently replaced with a single voltage source and resistor.

## Etymology
Derived in 1883 by French electrical engineer Léon Charles Thévenin; however, it had been independently derived in 1853 by German physicist Hermann von Helmholtz.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/thevenin-s-theorem