Ampère's law

American  

noun

Physics.

1. the law that a magnetic field induced by an electric current is, at any point, directly proportional to the product of the current intensity and the length of the current conductor, inversely proportional to the square of the distance between the point and the conductor, and perpendicular to the plane joining the point and the conductor.

---

Etymology

Origin of Ampère's law

Named after A. M. Ampère

Example Sentences

The current of electricity in the opposite direction is indicated by the galvanometer needle, which moves according to Ampère's law mentioned on a preceding page.

From The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action by Dolbear, A. E. (Amos Emerson)

The law which regulates the direction of these deflections, and which is known, from the name of its originator, as Ampère's law, is briefly as follows:— § 11.

From Electric Bells and All About Them A Practical Book for Practical Men by Bottone, S. R.