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Margarida Loios

on 12 February 2017

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Transcript of History

Thales of Miletus was the first man made researches in electricity.
Thales was incorrect in believing the attraction was due to a magnetic effect, but later science would prove a link between magnetism and electricity. According to a controversial theory, the Parthians may have had knowledge of electroplating, based on the 1936 discovery of the Baghdad Battery
In 1791 Luigi Galvani publsihed his discovery of bioelectromagnetics, demostring that electricity was the medium by wich neurons passed signals to the muscles.
In 1800 Alessandro Volta made a battery, or voltaic pile, made from alternating layers of zinc and copper.
Michael Faraday invented the electric motor in 1821, and Georg Ohm mathematically analysed the electrical circuit in 1827. Electricity and magnetism (and light) were definitively linked by James Clerk Maxwell, in particular in his "On Physical Lines of Force" in 1861 and 1862.
While the early 19th century had seen rapid progress in electrical science, the late 19th century would see the greatest progress in electrical engineering. Electricity turned from a scientific curiosity into an essential tool for modern life.
Electricity have many concepts like:
Electric charge
Electric current
Electric power
Electricity is the branch of physics which has as object of study the phenomena related to electrostatics, electrokinetics and electromagnetism.
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