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Technology Education is important in human life.

Saturday, January 16, 2010

Electricity

electricity The discoveries and inventions of science nad technology have made a revolution in human civilization. Electricity is one of the most important gifts of science. It can be generated withthe help of water power, it is called hydro-electricity. Electricity. Electricity can be satic and current. The electricity that cannot be trasnferred from one object to another is called static, and current electircity can be transferred. We use current electricity.

The electricity is widely used for various purposes. It gives us light, heat and power. We use it at our homes for for various purposes. It is used for lightening, to cook our foods, operate our T.V. or computer or fridge etc. It is also used to heat our houses in winter and operate the machines of various categores. In hot places, we use electric fans, fridges, air-coolers, air-condtioners. It is used to wash clothes, too. Similarly it is used in radios, telephones, lifts, generators and so on.

We can have many advantages of electricity. We can do any work quickly and easily. We can decrease pollution in cities by using electric vehicles. They are cheaper than other common vehicles. The process of deforestation and desertificationcan be decreased. We can use electric stove. If we do not need firewood, the forest can be saved. similarly we can irrigate our fields with the help of electricity. Nowadays, every modern device works with the help of it.

electricityElectricity should be used properly. It is a usefulservant but it can be a dangerous enemy. An electric shock can kill anyone. We must be very careful to use it. We must make sure that the wires in our homes are strong enough and no bare metal can be seen. We should not touch an electric switch with our wet hands. The electricity in our houses should be earthed.

We can conclude that electricity is widely used but we must use it properly. It can be made cheaply using water power and can be carrid anywhere by power lines. It is used to heat and light our homes, cook our food and drive machinery of all kinds. Modern era smiles due to the proper use of electricity.

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