Energy and Power in Circuits
- Created by: Sash
- Created on: 22-05-13 19:01
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Energy and Power in Circuits
Anything which supplies electricity is also supplying energy. So cells, batteries, generators etc. all transfer energy to components in the circuit.
MOTION: Motors LIGHT: Lightbulbs HEAT: Hair dryers/kettles SOUND: Speakers
Resistors and heat
- Whenever a current flows through anything with electrical resistance then electrical energy is converted into heat energy.
- The more current that flows, the more heat is produced.
- A bigger voltage means more heating because it pushes more current through.
- Filament bulbs work by passing a…
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