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11 Cards in this Set
- Front
- Back
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Electrical power |
P=VI=1^2R=V^2/R |
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SI unit for electrical power |
Watts |
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Electrical energy |
E=VIT=I^2Rt=V^2/Rt |
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SI unit for electrical energy |
Kilo watt hour or watt |
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Fuse |
It is connected to live wire |
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Circuit breaker |
It automatically switches off when there's a large amount of current flowing through |
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Switch |
It breaks or completes a circuit |
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Live wire |
It is connected to a high voltage and delivers current to the appliance (brown) |
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Neutral wire |
Completes the circuit by providing a return path to the supply for the current (blue) |
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Earth wire |
It has a low resistance that connects the live wire to the ground (yellow and green) |
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Double insulation |
It insulates the internal component and external casing of the appliance |
