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Physics Electricity Vocab Terms
Terms in this set (23)
a steady flow of electric charges through matter
a path electricity follows from a source through a series of wires and appliances, then back to the source.
a device that slows down current in a circuit
a substance through which electrical charges can easily flow
electric current that flows in only one direction. a battery is an example of direct current.
a device that opens or closes a circuit
a form of energy produced by the movement of electrons
the pressure behind the flow of electrons in a circuit
a device that stores electricity for future use
the build up of a charge on an object
electric current that changes direction continually
the ability to do work and produce power
particles orbiting the outside of atoms. they carry a negative charge
a material through which electric charges cannot move
a charge due to ABSENSE of electrons
a tiny particle in the nucleus of an atom. protons have a positive charge
a buildup that causes objects to push or pull. there can be positive charges and negative charges. sometimes there is no charge and this is called a "neutral charge"
gum or resin from fossilized trees. the word "electricity" comes from the greek word "elektron" meaning amber
a group of electric cells that provide electric current. a battery is an example of direct current
the unit of measurement of an electric charge
a charge due to a buildup of electrons
a machine that produces electrical current by spinning a magnet inside a coil of wire
a flow of electrons through a current
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