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14 Cards in this Set

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Series circuit means
Circuit with only one path for electrons to take
Parallel circuit means
Circuit with more than one path for electrons
Circuit means
The comptlete path followed by electricity
Fuse means
A thin stip of metal which melts and disconnects a circuit when current flow becomes too high
Potential difference means
The amount of electricity Flowing past a point per second (amps)
Circuit breaker means
a reausible device wich disconnects a circuit when current flow becomes to high
Current means
The amount of electricity flowing past a point per second
Resistance means
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)
Ohms law means
Relationship among the current, voltage and resistance
Current =
Voltage

Resistance
electic power means
the rate at which electicity does work (Watts) Watts Power=volts (voltage) Amps (current)
Electic energy means
Energy (kilowatt hours)=power(kwatts X time (h)
Direnct current:
When current always flows in the same direction (batteries)
Alternationg current means
When current direction reverses direcition regulary Wall outlets