electromagnetism

A Life of Discoveries –  the great Michael Faraday

A Life of Discoveries – the great Michael Faraday

On September 22, 1791, the famous chemist and physicist Michael Faraday  was born. He is responsible for the discovery of the electromagnetic induction, the laws of electrolysis and best known for his inventions, which laid the foundations to the electrical industry. But, to understand the person and the scientist Michael Faraday, we have to look a little bit into his background and his development. I was at first almost frightened when I…
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Hans Christian Ørsted connecting Electricity and Magnetism

Hans Christian Ørsted connecting Electricity and Magnetism

On March 9, 1851, Danish physicist Hans Christian Ørsted passed away. Hans Christian Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. He is still known today for Oersted‘s Law and the oersted (Oe), the cgs unit of magnetic H-field strength, is named after him. “The agreement of this law with nature will be better seen by the repetition of experiments than by…
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André-Marie Ampère and Electromagnetism

André-Marie Ampère and Electromagnetism

On January 20, 1775, French physicist and mathematician André-Marie Ampère was born, after whom the unit of measurement of electric current, the ampere, is named. He is generally considered as one of the main founders of the science of classical electromagnetism, which he referred to as “electrodynamics“. A Child Prodigy André-Maria Ampère was born into a well educated family and influenced by the theories of Jean-Jacques Rousseau early. He was home schooled by his…
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Scientist and Politician François Arago

Scientist and Politician François Arago

On February 26, 1786, French mathematician, physicist, and astronomer François Arago was born. Arago discovered the principle of the production of magnetism by rotation of a nonmagnetic conductor. He also devised an experiment that proved the wave theory of light and engaged with others in research that led to the discovery of the laws of light polarization. Dominique-François-Jean Arago was born in Estagel, Roussillon, France. His father was the small town’s mayor and…
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George Green and his Theory of Electricity and Magnetism

George Green and his Theory of Electricity and Magnetism

On July 14, 1793, British mathematical physicist George Green was baptized. He is best known for his publication of wrote An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism, in which he developed a first mathematical theory of electricity and magnetism. His theory formed the foundation for the work of other scientists such as James Clerk Maxwell,[3] William Thomson,[4] and others. George Green was born and lived for…
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James Clerk Maxwell and the Electromagnetic Fields

James Clerk Maxwell and the Electromagnetic Fields

James Clerk Maxwell(1831 – 1879) On June 13, 1831, Scottish physicist James Clerk Maxwell was born. His most prominent achievement was formulating a set of equations that united previously unrelated observations, experiments, and equations of electricity, magnetism, and optics into a consistent theory. According to his theory he has demonstrated that electricity, magnetism and light are all manifestations of the same phenomenon, namely the electromagnetic field. This has been called the “second…
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