An electric arc is an electrical breakdown of a gas that produces a prolonged electrical discharge. The current through a normally nonconductive medium such as air produces a plasma - the plasma may produce visible light. Industrially, electric arcs are used for welding, plasma cutting, for electrical discharge machining, as an arc lamp in movie projectors, and spotlights in stage lighting. Electric arc furnaces are used to produce steel and other substances. Calcium carbide is made in this way
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An electric arc is an electrical breakdown of a gas that produces a prolonged electrical discharge. The current through a normally nonconductive medium such as air produces a plasma - the plasma may produce visible light. Industrially, electric arcs are used for welding, plasma cutting, for electrical discharge machining, as an arc lamp in movie projectors, and spotlights in stage lighting. Electric arc furnaces are used to produce steel and other substances. Calcium carbide is made in this way
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