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electricty (series circuits (resistance adds up (the total resistance is…
electricty
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electricity in the home
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3 pin plug
most electrical appliances are connnected to the mains supply by three core cables made from copper with plastic coloured coating
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neutral wire (blue)= completes circuit and carries away current - electricity normally flows in through live wire and out through neutral wire. its at 0V
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earth wire( green and yellow)= protecting wiring and safety- stops appliance casing from becoming live. it only carries current when there is a fault so its at 0v
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