Wednesday, October 17, 2012

ELECTRICITY





ACCUMULATORS

 
 

Accumulators are used in vehicles, such as motorcycles, cars and lorries.
 
DYNAMOS 




 Dynamos generate electricity.They are used to light up the bulb of a bicycle.

SATELLITES
 
 Satellites get their electricity from solar cells.Solar cells transform light energy into electricity.

HIDROELECTRIC


 We can also get electricity from hydroelectric power station.

For  more information, please visit:http://library.thinkquest.org/6064/cgi-bin/sources.cgi

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