Notes and Study material for Exams
Working Principle And Use Of Generator Generator is a machine that converts mechanical energy into electrical energy. It works based on principle of faraday law of electromagnetic induction. The faradays law states that whenever a conductor is placed in a varying Magnetic Field, EMF is induced and this induced EMF is equal … Read more
Introduction to alkaloids (nicotine and cocaine) Alkaloids, any of a class of naturally occurring organic nitrogen-containing bases. Alkaloids have diverse and important physiological effects on humans and other animals. Well-known alkaloids include morphine, strychnine, quinine, ephedrine, and nicotine. Alkaloids are found primarily in Plants and are especially common in certain families of flowering … Read more
Basic element of INFRASTRUCTURE is somewhat different from other forms of infrastructure because of existence of network externalities, a phenomenon that increases the value of services with the increasing number of users. Thus the impact of telecommunication infrastructure on economic development is more pronounced as compared to other traditional infrastructure. A modem network contributes to … Read more
Professor Freeman J. Dyson, of Institute of Advanced Studies, Princeton, in his book “Infinite in all Directions,” had this to say about Technology: “Technology is a gift of God. After the gift of Life, it is perhaps the greatest of God’s gifts. It is the mother of civilization, of Arts and of Sciences. Technology … Read more
Water Resource Management In India the Average annual Precipitation is nearly 4000 cubic km (km3) and the average flow in the river systems is estimated to be 1869 km3. Because of concentration of rains only in the 3 Monsoon months, the utilizable quantum of water is about 690 km3. Quantum of ground water extracted annually … Read more
Digestive System Introduction The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. To get glucose from food, digestion must occur. This process is carried out by the … Read more
Space Technology– Indian space programs. Application of Satellites for different purposes Despite being a developing economy with its attendant problems, India has effectively developed space technology and has applied it successfully for its rapid development and today is offering a variety of space Services globally. Indian Space Program: During the formative decade of 1960s, … Read more
Simple Telescope and astronomical telescope, Construction working, uses, ray diagram Simple telescope A simple working telescope requires nothing more than a pair of lenses mounted in a tube. The lens in front, known as the objective, focuses an image; the lens in back, known as the eyepiece, magnifies the image. Although it may seem like … Read more
Diseases of Plants caused by bacteria Aster yellows Aster yellows,caused by a phytoplasma bacterium, affecting over 300 species of herbaceous broad-leafed plants. Aster yellows is found over much of the world wherever air temperatures do not persist much above 32 °C (90 °F). As its name implies, members of the family Asteraceae are … Read more
INFRASTRUCTURE. Furthermore, the World Bank estimated that out of the global Population of 7.4 billion people, more than 4 billion don’t have access to the internet. Additionally, it estimated that only 1.1 billion people have access to high-speed internet. The significance of ICT in enterprises For businesses, advances within ICT have brought a slew of … Read more