Or arc light; Electric light that uses the illumination of an electric arc maintained between two electrodes. The British scientist Humphry Davy developed an arc lamp 180and its main use in recent years has been in cinema projectors. Shejr dar borai modar padar lyrics.

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The lamp consists of two carbon electrodes, between which a very high voltage is maintained. Electric current arcs (jumps) between the two, creating a brilliant light.Produces light when electric current flows across the gap between two electrodes; SYN. Arclamp lamp [ imenica ].