Spark

Related Category: Technology: Terms and Concepts

in electricity: see arc.

More on Spark

Arc - in electricity, highly luminous and intensely hot discharge of electricity between two electrodes. The arc was discovered early in the 19th cent. by the English scientist Sir Humphry Davy, who so name...

More on Spark

Arc - in electricity, highly luminous and intensely hot discharge of electricity between two electrodes. The arc was discovered early in the 19th cent. by the English scientist Sir Humphry Davy, who so name...