This topic looks at: How electricity is produced

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Presentation transcript:

P1 Topic 5/6: Generation and Transmission of Electricity and Energy and the Future This topic looks at: How electricity is produced How we calculate current, voltage and power Conservation and the efficiency of energy use. Give an example of where you would use a Step up transformer. Give an example of where you would use a Step down transformer. Give an advantage and disadvantage of each of these electricity generation methods Fossil fuels Nuclear power Wind and wave power Solar Hydroelectric A step down transformer converts the 240V mains supply to 12V to power a laptop computer. If there is 90 turns on the secondary coil, show that there needs to be 1800 turns on the primary coil. Keywords: Current, Energy, Power, Efficiency, Potential difference, Induction, Identify the energy transfers at each stage What is the efficiency of this bulb? Efficiency = Keywords: Transformer, Generator, Dynamo, Direct current, Alternating current, Step up, Step down.