Electrical energy
- Created by: emews
- Created on: 30-10-17 18:04
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- Electrical energy
- Many appliances used at home are lamps or heaters.
- Tungsten and filament lamps
- Discharge tube lamps
- In a tungsten filament lamp the energy is transferred in the resistance wire which makes up the filament.
- More of the electrical energy is transferred as light.
- Less of the electrical energy is transferred as heat.
- energy = current x voltage x time
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