The discoveries and invention of science and technology have made a revolution human civilization. Electricity is one of the most important gifts of science. It can be generated with the help of water power, wind power, and machine power. If it is cheaply produced with the help of water power, it is called hydro-electricity. Electricity can be static and current. The electricity that cannot be transforming from one object to another is called static, and current electricity can be transferred.
The electricity is widely used for various purposes. It gives us light, heat and power. We use it at our homes for various purposes. It is used for lighting, to cook our foods, operate our TV or computer or refrigerators etc. it is also used to heat our homes in winter and operate the machines of various categories. In hot places we use electronic fans, fridges, air cooler, and air conditioner. It is used to wash clothes too. Similarly it is used in radios, telephones, lifts, and generator and so on. Now day electricity becomes the very important part of our daily life, without it we cannot do anything properly. Exactly, it makes the human useless or lazy.
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