Tuesday, November 13, 2012
Friday, October 19, 2012
Wednesday, October 17, 2012
Accumulators are used in vehicles, such as motorcycles, cars and lorries.
Dynamos generate electricity.They are used to light up the bulb of a bicycle.
Satellites get their electricity from solar cells.Solar cells transform light energy into electricity.
We can also get electricity from hydroelectric power station.
For more information, please visit:http://library.thinkquest.org/6064/cgi-bin/sources.cgi