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14 Cards in this Set
- Front
- Back
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Series circuit means
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Circuit with only one path for electrons to take
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Parallel circuit means
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Circuit with more than one path for electrons
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Circuit means
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The comptlete path followed by electricity
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Fuse means
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A thin stip of metal which melts and disconnects a circuit when current flow becomes too high
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Potential difference means
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The amount of electricity Flowing past a point per second (amps)
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Circuit breaker means
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a reausible device wich disconnects a circuit when current flow becomes to high
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Current means
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The amount of electricity flowing past a point per second
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Resistance means
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The opposition to the flow of electrons-Higher for a longer wire, lower for a shorter wire;higher for a thinner wire, lower for a thicker wire (ohms)
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Ohms law means
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Relationship among the current, voltage and resistance
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Current =
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Voltage
Resistance |
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electic power means
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the rate at which electicity does work (Watts) Watts Power=volts (voltage) Amps (current)
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Electic energy means
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Energy (kilowatt hours)=power(kwatts X time (h)
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Direnct current:
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When current always flows in the same direction (batteries)
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Alternationg current means
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When current direction reverses direcition regulary Wall outlets
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