Energy and efficiency
- Created by: elliemackellar
- Created on: 06-10-13 12:30
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- Energy and efficiency
- Most kids hate learning GCSE energy names
- Magnetic
- Kinetic
- Heat
- Light
- Gravitational potential
- Chemical
- Sound
- Elelctrical
- Elastic potentail
- Elelctrical
- Sound
- Chemical
- Gravitational potential
- Light
- Heat
- Kinetic
- Magnetic
- Energy transfers
- Sankey diagrams
- Wasted energy- dissipated
- All energy transfers
- Energy transfer diagrams
- Only shows usefull energy
- Energy can be transferred usefully, stored or dissipated. It cannot be created or destroyed.
- Efficiency= useful energy÷total energy x 100
- Sankey diagrams
- Power measured in watts
- Units of energy are measured in Kilowatt hours
- E=PxT
- E is the energy transferred in kilowatt-hours, kWh.
- P is the power in kilowatts, kW
- T is the time in hours, h
- Most kids hate learning GCSE energy names
- Energy transfers
- Sankey diagrams
- Wasted energy- dissipated
- All energy transfers
- Energy transfer diagrams
- Only shows usefull energy
- Energy can be transferred usefully, stored or dissipated. It cannot be created or destroyed.
- Efficiency= useful energy÷total energy x 100
- Sankey diagrams
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