What is Electric arc?
{{no sources|date=July 2018}} An '''electric arc''' is an [[electricity|electrical]] breakdown of a [[gas]] which produces a [[plasma (physics)|plasma]] spark. The electric arc was first described in 1801. Electric arcs are used for [[welding]], plasma cutting and lighting for stage performances. Electric arc [[furnace]]s are used in making [[steel]] and other things. [[Category:Electricity]] {{science-stub}}