How to save electricity at home?

Electricity is the one of the most important discovery in the history of mankind. All another inventions relay on it in one way or other. Both commercial and domestic level electrical energy generation is done using one of the following methods Electromagnetic induction – transform kinetic energy into electrical energy by generator and dynamo Photoelectric effect - converts light energy from sun into electricity by solar cell Electromagnetic induction principle is used in power plant Read more [...]