Andre Marie Ampere

Andre Marie Ampere was a French physicist. He liked to study different types of mathematics and sciences especially, but his accomplishments in electricity is how he is best known. When the idea that a wire holding an electric current could affect another wire holding an electric current because of the magnetic fields held, this got Ampere thinking. Right away he came up with a way to test this idea by performing an experiment. The conclusions that came about were stated as phenomenal, because the concepts were so innovative. He then came up with a series of more experiments to go into further depth to understand electrical currents. A whole new field of study was opened up because of this theory, that is why the significant unit of electricity is called amperes, or amps for short. The naming of this unit was credited to him in later years because of his great success. Ampere's research basically established a basis for electrodynamics, without his work we wouldn't have the understanding of electricity that we have today.

Insights & Influences

Born on January 20th, 1775 by Jeanne-Antoinette and Jean-Jacques. His father was a major influence for him. They lived in Lyon, France until they moved to the city of Polemieux, which was just right outside of Lyon. Moving there gave his father full time to devote to his education. Whatever he wanted to understand, his father was there to tell him to pursue this knowledge. At an early age he wrote an essay over calculus for the Academic de Lyon. The essay wasn't very credible because he wasn't too familiar with the material. He took lessons from a monk to learn calculus because of his essay. Although, he didn't go to school, he did obtain a proper education by his fathers encouragement and his will power to know. Jean-Jacques worked as a justice of peace, which was an official government position. While Ampere was growing up, the French Revolution was happen. The revolution wasn't too difficult growing up until his father was arrested and sentenced to the guillotine to be executed. This tragedy in Ampere's life affected him a lot and set him back on his studies for a long period of time. Eventually picking his studies back up and continued with learning because he had a real aptitude for knowledge. He also met a lady named Julie. They got married, and then in 1803 his wife passed away. Ampere was encouraged to enter his chosen field of physics because he enjoyed learning and knowing to the fullest. That was the reason for what he obtained in his lifetime.

Major Contributions

Ampere made many contributions to the world of science. He started out tutoring mathematics in Lyon, France. In 1802, he moved to Bourg and became a professor of chemistry and physics at the Bourg Ecole Centrale. While tutoring and teaching, he researched mathematics. Around this time he composed a treatise called The Mathematical Theory of Games which discusses the inevitability of chance in a game of gambling against someone with greater financial resources. A Danish physicist, named Hans Christian Orsted made a discovery and presented it. Just after being aware of this information, Ampere quickly came up with a way to formulate his very own experiment. The experiment he performed was with two current carrying wires, a compass needle, and some magnets. He found out that the two wires conducting electricity under the influence of magnets, would affect the way the wires reacted upon each other. If the current in one wire was positive and the current in the other wire was negative, this caused repulsion between the wires. To attract the wires to each other, both of the currents in the wires would have to be the same. A theory was created so he could better understand and explain the relation of electrical currents and their magnetic fields. His theory predicted reactions for the same experiment only in other various geometrical shapes like helices and closed hoops. There are two law's that Ampere states, Law 1 says the Force of electric current between two electrical conducting wires will exhibit the inverse square law, which states that the force decreases with the square of the distance between the two conductors, and that the force will be proportional to the product of the two currents. Law 2 states that when there is an electric charge in motion there will be a magnetic field associated with that motion. The conclusions that were formed lead to a way to decipher the rate of the electrical currents. A mathematical theory was established that current flow could be measured. A publication was made by Ampere and it was called Notes on the Mathematical Theory of Electrodynamic Phenomena. This contained information on his theory for electromagnetism. He still continued to teach college while showing all this new material to the world. Years later a suggestion was made and the international congress on electricity adopted the name Ampere for the SI unit of electricity. The reason he was credited for this is because what he understood and verified was the opening of a whole new concept. We have gone into further studies and found out so much more information for electrodynamics thanks to the wonderful work of Andre Marie Ampere.

==Affect & Effect ----

The Things They Left Behind

There's a reason Ampere presented all of his findings, and that was just to have a better understanding of something. Which is to know or understand. He's why there have been innumerable discoveries and new ideas in the field of electrodynamics. With mathematical equations and a desire to know predicted an answer for electrodynamic theory. If his interest in knowledge of this subject wasn't there, he wouldn't have ever established his laws. In which case, the people today would not have been as advantaged in knowing the basics of electromagnetism. His experiments gave proof to such a foundation. The publications made told us how to figure electric currents and their rates. It is of knowing this phenomena, thanks to Ampere.


¹ Andre Ampere
² Idyllic Youth
³ Ampere Summary (version for printing)
Britannica Encyclopedia
Founder of Electromagnetism
History of Magnets and Electromagnetism