electricity wikipedia - EAS
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Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are … Meer weergeven
Long before any knowledge of electricity existed, people were aware of shocks from electric fish. Ancient Egyptian texts dating from 2750 BCE referred to these fish as the "Thunderer of the Nile", and described them as the … Meer weergeven
Generation and transmission
In the 6th century BC, the Greek philosopher Thales of Miletus experimented with amber rods and these experiments were the first studies into the production of electrical energy. While this method, now known as the Meer weergeven• Ampère's circuital law, connects the direction of an electric current and its associated magnetic currents.
• Electric potential energy, the potential energy of a system of … Meer weergevenElectric charge
The presence of charge gives rise to an electrostatic force: charges exert a force on each other, … Meer weergevenPhysiological effects
A voltage applied to a human body causes an electric current through the tissues, and although the … Meer weergevenIn 1850, William Gladstone asked the scientist Michael Faraday why electricity was valuable. Faraday answered, “One day sir, you may tax it.”
In the 19th … Meer weergevenWikipedia-tekst onder CC-BY-SA-licensie Electricity - Wikipedia