How do you work out the units used using an equation?
Units used (kWh) = Power (kW) x Time (hours)
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Definition of an Alternating Current
Voltage constantly changes size and direction.
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Definition of a Direct Current
Voltage and Current have a constant size and direction.
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What is the purpose of the fuse and what are the 3 commonly used fuses?
The purpose of the fuse is to ensure that the current running through the appliance isn't to high and when it is too high the fuse will melt once it has 'blown.' Commonly used fuses are 3A, 5A, 13A
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Other cards in this set
Card 2
Front
What colour is the earth wire?
Back
Yellow and Green
Card 3
Front
What colour is the neutral wire?
Back
Card 4
Front
How do you work out the cost using an equation?
Back
Card 5
Front
How do you work out the units used using an equation?
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