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Definition: electricity

The flow of electrons in a circuit. The speed of electricity is the speed of light (approximately 186,000 miles per second or 300,000,000 meters per second). In a wire, it is slowed due to the resistance in the material.

Volts, Amps and Watts
Electrical pressure (force) is measured in "volts," and its flow (current) is measured in "amperes" or simply "amps." The amount of work electricity produces is measured in "watts" (amps X volts). See electron, electrical and electronic.