ELECTRICITY AND ITS USES
Electricity is one of the most important blessings that science has given to mankind. It has become an inevitable companion of modern man. It has also become a part of modern life and one cannot think of a world without it. Electricity plays a very important role in modern life. The progress that man has made today is largely due to the invention of electricity.
Electricity has many uses. In our day-to-day life, electricity is used for lighting rooms, working fans, operating home appliances, etc. Electric light keeps our houses, roads and cities illuminated. The domestic appliances which run on electric power are fans, grinders, and stoves, washing machines, cooking ranges, air coolers, air conditioners, refrigerators and record players. All these provide comfort luxury and ease life to the people. In factories, large machines are worked with the help of electricity. Necessary items like different kinds of food materials, cloth, paper and thousands of other things are the products of electricity. Power driven machines add to the efficiency and productivity of industries. So, the service of electricity is indispensible in industry and other related areas. The manufacture goods we see in the market are produced with the help of electricity.
Modern means of transportation and communication have been revolutionized by electricity. Electric trains and battery driven cars are quick means of travelling. They are less polluting also. Escalators and elevators driven by electricity provide comfort and convenience to man. Electricity is also an aid to means of communication. Communication in the forms of telegraph, telephone and telex are due to electricity. Messages can be sent speedily to different parts of the world using these media. Telephone messages help to control serious riots and save the occurrence of accidents.
Electricity also provides means of amusement. Radio, television, cinema etc. which are the most popular forms of entertainment and information are the results of electricity. Modern electronic wonders like computers and robots are also developed these days. The production and use of computers would have been impossible without the use of electricity.
Electricity plays a pivotal role in the fields of medicine and surgery too. For surgical operations, X ray, EEG and other diagnostic methods, electricity is required. Electric shocks play an important treatment of mental disease. Radiations, ultraviolet and infrared therapy, etc., need electric power. Many of the surgical instruments work with electric power.
Thus it is seen that the uses of electricity are increasing day by day. Factories, homes, farms, printing presses and hospitals all depend on electricity. Thus electricity serves humanity, from illumination to communication, transportation to amusement and from production to treatment of diseases.