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Electricity Circuits

Electricity and Circuits vocab

TermDefinition
Circuit Complete path around which current can flow. Has the following required components: voltage source, path, and load.
Series Circuit A circuit in which electrons have only one path back to the source. There are no branches.
Parallel Circuit A circuit that has branches and junctions.
Current The rate of flow of electrons.
Resistance A device that restricts the flow of electrons in a circuit.
Ohm Unit for electrical resistance.
Ampere Unit for electrical current. Equivalent to Coulombs/s.
Schematic Diagram A circuit drawing that uses recognizable symbols to represent circuit components.
Watt Unit for power. Equivalent to Joule/s.
Voltage Potential Difference in a circuit also known as the electromotive force (emf).
Voltmeter Instrument used to measure voltage in a circuit.
Ammeter Instrument used to measure current in a circuit.
Direct Current A continuous electric current that flows in one direction only.
Alternating Current An electric current that changes direction at regular intervals.
Created by: stamback