Energy and Power Energy (E) is measured in joules (J)

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Presentation transcript:

Energy and Power Energy (E) is measured in joules (J) Energy cannot be destroyed, only change form! Energy is converted through work (e.g. chemical energy to kinetic energy) Power (P) is measured in watts (W) and gives the amount of energy converted per second: 𝑃= 𝐸 𝑡 Electrical energy is very useful, so we use many different sources to make electricity

Renewable Non-renewable Makes electricity via heat Makes electricity directly

1002. Find out how many horsepower (hp) 100 kW corresponds to. 1003. Find out where to find the closest: a) Wind turbine b) Coal power plant c) Nuclear power plant d) Hydroelectric power plant 1004. Use the site https://www.fingrid.fi/en/electricity-market/power- system/ to study current production and use of electricity in Finland. How much is being used, produced and imported at the moment?