An Etymological Dictionary of Astronomy and Astrophysics

The → magnetic field due to → electric current flowing in a long straight conductor is directly proportional to the current and inversely proportional to the distance of the point of observation from the conductor. The law is derivable from → Ampere’s law, but was obtained experimentally by the authors.

Etymology (EN): Named after the French physicists Jean-Baptiste Biot (1774-1862) and Félix Savart (1791-1841); → law.