Electricity
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Transcript of Electricity
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ELECTRICITY
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Electric Current Currents are the rate that
electricity flows thru a wire
2 types of currents: Alternating Current (AC)
electricity flows back-n-forth like in a house
Direct Current (DC) electricity flows in one direction like in a battery
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Circuits Circuits are paths
for electricity to flow
Three parts: Energy source, wires, load
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Circuits Closed Circuits
allow electricity to flow
Open Circuits have an opening in it and do not allow electricity to flow
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Circuits 2 types: Series Circuit: one
path for electric flow
Parallel Circuit: several paths for electric flow
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Series Circuits
Good for: Battery operated
devices Burglar alarms Operating one
load
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Parallel Circuit
Good for houses Operating multiple
loads Varying energy
needs (depends on what you plug in)
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Safety Fuses and Circuit Breakers:
If there is too much electricity going to one place, these automatically shut off the electricity
GFCI outlets: now required by law near any water source (circuit breaker)
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