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Electricity Subset

Notes Part 1

QuestionAnswer
a form of energy that, when in motion exhibits magnetic, chemical or thermal effects electricity
the particle moving/flowing in electricity electrons
source of electrons in electricity, occupies space and has mass matter
any substance that easily transmits electricity; electrons free to move conductor
any substance that does not easily conduct electricity; electrons held tightly insulator (nonconductor)
the flow of electricity along a conductor electric current
path of an electric current from the generating source through conductors and back to its original source complete circuit
a constant, even flowing current that flows in ONE direction only Direct current
a rapid and interrupted current flowing first in one direction and then in the opposite direction. alternating current
changes DC into AC converter
changes AC into DC rectifier
is the unit that measures the pressure or force that pushes the flow of electrons forward through a conductor volt (voltage)
is the unit that measures the amount of an electric current ( of electrons flowing through a conductor) amp (ampere)
one thousandth of an ampere milliampere
a unit that measures the resistance of an electric current Ohm
a measurement of how much electrical energy is being used in 1 second Watt
1,000 watts kilowatt
a special device that prevents excessive current from passing through a circuit that will melt or blow if circuit is overloaded fuse
a switch that automatically interrupts or shuts off an electric circuit at the first indication of overload circuit breaker
completes an electric circuit and carries the excess current away to keep user safe grounding
Created by: kcarpenter
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