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Electricity Vocabulary

QuestionAnswer
fuse safety device in a circuit that melts if the current gets too high
circuit breaker safety device in a circuit that shuts off if the current gets too high
short circuit electrons flow along a path other than the path intended
series circuit components of a circuit are arranged one after another
parallel circuit components of a circuit are arranged so that the current can flow along more than one path
resistance the degree to which a substance opposes the flow of electrical current through it
ohm the measurement unit of resistance of a substance
ohmmeter measures resistance
resistor any material that can slow current flow
current the amount of electric charge that passes by a point in an electrical circuit in a second
direct current current that flows in one direction only
alternating current current that flows back and forth at regular intervals
AC alternating current
DC direct current
ampere mmeasure of amount of charge moving past a point in one second
A ampere
ammeter measures amperes
voltmeter measures potential
Created by: NCCgradenines
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