P1.2 Energy and Efficiency
- Created by: JustTara
- Created on: 09-02-14 19:47
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- P1.2 Energy Transfers and Efficiency
- Energy cannot be created or destroyed.
- During energy transfer only a portion of the energy is useful.
- Wasted energy is transferred to the surrounding
- Wasted energy spreads out so becomes less useful.
- Wasted energy is transferred to the surroundings, which becomes warmer.
- Efficency= useful/total (x100)
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