Am·père  (ām'pîr, äɴ-pěr')  French physicist and mathematician who formulated Ampère's law, a mathematical description of the magnetic field produced by a current-carrying conductor. |
| Ampère (ām'pîr', äm-pěr') Pronunciation Key
French mathematician and physicist who is best known for his analysis of the relationship between magnetic force and electric current. He formulated Ampère's law, which describes the strength of the magnetic field produced by the flow of energy through a conductor. The ampere unit of electric current is named for him. |