Electricity is the mysterious force and power, without which we cannot think of modern life. It is indispensable for modern man. Of all the inventions made by science, the invention of electricity has been most wonderful and useful. It has ushered in a long revolution in our lives. Its invention has removed darkness, lethargy and unemployment from our life to a great extent. It has really transferred the whole world into a compact and illuminated heaven.
Its absence, even for a few minutes, will result into total chaos, darkness and disruption. Life and all its activities will then come to a standstill. Electricity is one of the most essential items of our daily life. It runs our factories, trains, trams and ships. It has proved an indispensable maid-servant to house-wives. It cleans sweeps, washes, cooks, and dusts like a cheap maid-servant always at our disposal. In winter it keeps us warm; in summer it runs our fans, coolers, air-conditioners, chillers etc. It has relieved mankind from much of drudgery and labor. Consequently, man has more spare time to be devoted to hobbies, pastimes, and higher and more meaningful pursuits. It has helped us in overcoming the barriers of time and space. The world has turned today into a global village only because of this great boon and blessing of modern science.
It is only with the help of electricity that many more and great inventions have been possible. It is due to this mysterious power, called electricity, that we have now so fast and efficient means of communication. Radio, television, telephone etc., are direct inventions of this power. In the diagnosis and detection of diseases electricity has made a great contribution. For example, x-‘ ray radiography helps us detect many diseases which would not have been detected otherwise. Atomic energy may prove successful in curing a fatal disease like cancer in near future.
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The uses of electricity in our daily life are too numerous to be counted. It has transformed our life into a wonderful world of ease, comfort, luxury and convenience. It has revolutionised our world of entertainment with the invention of cinema, radio, TV, VCR, VIC and other audio and video systems. Man has taken great strides; he has reached the moon and tamed the forces of nature only because of electricity. Its contribution in mining, construction, irrigation and such other activities has also been very significant. The invention of atomic energy has further broadened the scope of utility of electricity and power, ‘it has virtually opened many new avenues and vistas of energy, power, progress and prosperity.
We have hydro and thermal electricity and atomic energy. Then there are various non-conventional sources of power and energy like the sun, tidal waves, wind etc. With rapid progress of science and technology, the demand for electricity and power has been increasing rapidly. To meet this ever increasing demand of power, all these sources are being increasingly tapped and used. Even thunder-storms can be used to generate huge amount of power and energy.
Electricity is another name of progress and prosperity. Want of it may plunge any nation into a deep crisis. Its availability in abundance turns a nation into a big power house and very advanced industrialized country. Therefore, all possible efforts are to be made to avoid energy-crisis. The deposits of coal and oil are limited. They may not last long. And atomic and nuclear power has many inherent risks. Sometimes it may prove very dangerous. Therefore, it is imperative that more and more sources of non-conventional and renewable nature like the sun, the wind, the waves etc., are harnessed.