Essay on: Electricity

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Electricity



           Today, human life has become more comfortable, advanced and developed because of many scientific inventions. Among them electricity is one of such inventions which is regarded to be one of the wonders of modern science. Electricity was invented by the American scientist; Edward Edison in 1878. The use of electricity first began in England.
           Electricity is of two kinds: Static and Current. Static electricity cannot be transferred from one object to another and from one place to another. Current electricity can be transferred from one place to another by wishes. The electricity which we are using in current electricity.
             Electricity is generated with the help of water. So it is called hydro-electricity. Electricity is also produced by coal, petroleum and other fuel. But the electricity produced in this way is more expensive than hydro-electricity.
    We can hardly imagine our life without electricity. Electricity has many uses. It can be used for heating ad lighting, cooking washing and driving machinery of all kinds. In the cold season we can heat our rooms by electricity. In the hot season, it can be used to move the fans and make the room cool. In big cities people have to walk at night. The streets are lighted with electricity which makes people convenient to walk at night. In big cities there are big houses with the help of electricity one can go up in a lift to the topmost flat in a moment. The buses, cars, trains can move with the help of electricity. One can speak with other people at a great distance over the telephone which is run by electricity. The radio and television work with the help of electricity. Telegraphic messages are sent with the help of electricity. In the villages electric torch light are very popular to use at night. Electricity is also used in the treatment of patients. It is used in cooking food, ironing clothes and heating water. Electricity helps in agriculture as well. Electric pumps are used in irrigating lands. All kinds of machines in industries and factories can be driven by electricity. Thus, it has many advantages.
       Nepal has a great potentiality of hydro-electricity. Many Nepalese rivers flow all the years round making high falls Some hydro-electric projects are Devi Ghat, Gandaki, Kulekhani, Trihshuli and Marshyangdi, Kaligandaki. These projects have been by foreign countries. As Nepal lacks adequate capital, it has to depend on the foreign investments. If Nepal can make proper use of the water flowing through our rivers, it can earn a lot of money by selling hydro-electricity to foreign countries.
         Electricity is a useful servant but it can be dangerous enemy. An electric shock can kill one instantly. So we must use it with wire. It should not be handled by ignorant persons. It can be a useful servant if we use it carefully.
     As conclusion, though we can hardly imagine our life without electricity today, it is still out of rich for many people in many remote parts of the country. It is still expensive and many people with low income cannot afford it. Even in the electrified areas there is lack of regular supply of electricity. If Nepal gives high priority to electricity generation, all the above problems can be overcome and it can be  a major source of national income.


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