Andre Marie Ampere

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Andre Marie Ampere

André-Marie Ampère, born on 20 January 1775 – 10 June 1836) was a French physicist and mathematician. Moreover he was one of many founders of the science of classical electromagnetism, which he referred to as electrodynamics. The SI unit of measurement of electric current, the ampere, is named after him.


1775 (20 Jan): Born1797-1802: Mathamatic teacher1820: Ampere published his law; Ampere's law. Published his book(s)1836 (10 June): Died

At a meeting (Sept. 1820), French Academy of Sciences, Ampere was introduced to the staggering discovery made by named Hans Oersted in electromagnetism. The discovery revealed the effects an electric wire had, on a magnetic needle.This rose curiousity in Ampere and he researched futher soon coming to a conclusion. Ampere unveiled the results of his experiments that two parallel current-carrying wires attract one another when the direction of the currents is the same and they repel each other the direction is opposite. This was a path-breaking discovery. and also laid the foundation of electrodynamics. All these discoveries were soon filed into a book ‘Annales de chimie et de physique’.

Lasting Impact

Works of Andre Marie Ampere were published into a book and is still used today. His book is called ‘Annales de chimie et de physique’, mainly useful in the 19th century.


nave, R.N. (c2014). Hyper Pysics. Retrieved 20 August, 2015, from (2015). Scientificsentencenet. Retrieved 20 September, 2015, from Farthington. (2013). André-Marie Ampère ~ Electromagnetism. [Online Video]. 27 April 2013. Available from: [Accessed: 20 August 2015].André-Marie Ampère. (2015). André-Marie Ampère . Retrieved 20 August, 2015, from

Andre Marie Ampere



Andre Marie Ampere

What is it?

This is another discovery made by Ampere. It is called Ampere's Law and is used when any closed loop path, the sum of the length elements times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.The formula explains The circulation of the magnetic field along theContour C (along any closed path) is equal to μ0Ic.I is the current of conduction. It isThe net electric current crossing any surface bounded by the closed path C.


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