Notes and Study material for Exams
Electric transformers Electrical transformers are machines that transfer electricity from one circuit to another with changing voltage level but no frequency change. Today, they are designed to use AC supply, which means that fluctuation in supply voltage is impacted by the fluctuation in the current. So, an increase in current will bring about … Read more
Electric power plant Electricity is produced at a an electric power plant. Some fuel source, such as coal, oil, natural gas, or Nuclear Energy produces heat. The heat is used to boil water to create steam. The steam under high pressure is used to spin a turbine. The spinning turbine interacts with a … Read more
Time and distance Relationship between speed, distance and time Speed = Distance / Time or Distance = Speed × Time Average Speed = 2xy / x+y where x km/hr is a speed for certain distance and y km/hr is a speed at for same distance covered. As we know, Speed = Distance/ Time. … Read more
BEHAVIOR : Learning AND MOTIVATION Classification and types of motives, Theories of work motivation, Assessment of motivation A need or motive directs us to act or behave in a particular way towards a certain goal or in other terms “It indicates the inner state of mind that energizes, activates … Read more
Rashtrakutas The Rashtrakutas called themselves descendants of one named Satyaki. But there is difference of opinion about their origin among the historians. According to some they were originally of Dravidian peasant extraction. From some of the inscriptions of the Chalukya kings it is known that the Rashtrakutas were feudatories of the Chalukyas. Perhaps … Read more
Growth of Vernacular Languages, Scripts, Literature, Fine Arts Having discussed the origin and early development of Indian vernacular language, it is imperative to turn our attention towards production of bulk-loads of literature in each of these vernaculars by eminent literary stalwarts of successive generations. Emanating eventually in the form of poetry, each vernacular … Read more
Central and State Government Privileges Section 123 of the Indian Evidence Act Evidence as to affairs of State: No one shall be permitted to give any evidence derived from unpublished official records relating to any affairs of State, except with the permission of the officer at the head of the department concerned, who … Read more
Biodiversity, Climate, water and flood management. They are also important for individual Health and wellbeing and for local communities, providing opportunities for exercise, leisure, Education and EMPLOYMENT, as well as creating a sense of place. Urban areas face an evolving set of environmental pressures including Climate Change. At the same time, the existing
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> 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
USA’s hegemony and its resistance Politics is about power. Just as individuals want to gain and retain power, groups too want to gain and retain power. We routinely talk of someone becoming powerful or someone doing something for power. In the case of world politics too, countries and groups of countries are engaged in constantly … Read more