# Norton'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 current source and resistor in parallel.

## Etymology
Derived by American engineer Edward Lawry Norton in 1926; however, it was independently derived on the same year by German physicist Hans Ferdinand Mayer (hence the alternative name Mayer-Norton theorem).

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