What is energy how do we obtain it ?
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Electricity is a secondary energy source – we get it from the conversion of other sources of energy, such as coal, natural gas, oil, nuclear power and other natural sources. ... Large machines called turbines are turned very quickly – this requires a lot of energy, such as heat, wind or moving water.............
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Electrical energy is caused by moving electric charges called electrons. Electricity is a type of energy that comes from electrical energy. ... In power stations, turbines are turned using energy from sources such as heat, wind and moving water. Generators are machines for converting motion energy into electricity.
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