Answers

2015-10-08T17:05:15+05:30
Windmill is the best option...It can be made easily and also v.quickly....
Just take a battery attach it with some wires and then connect it to the metal rod which passes the current to the windmill and helps it work... if u dnt undrstand visit youtube

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2015-10-08T22:20:57+05:30
make a model of wind mill and explain how electricity is generated in it
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