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Electricity Distribution

Country: Australia
Added: 2006
Category: Physics
Duration: 26 mins
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Abstract: An extensive system of wires brings electricity to our door. The wires in the house are at 240V. The electricity distribution system works this way: high voltage power lines and transformers keep the current low to prevent excessive line loss. How can electricity be supplied safely, cheaply and reliably? The answer has also been given in the program.