Notes and Study material for Exams
Central Government The executive powers of the President are exercised by the Council of Ministers. The Constitution provides that “there shall be a Council of Ministers with the Prime Minister at the head to aid and advise the President in the excercise of his functions”. Here the word “shall” indicates that the President cannot function … Read more
Electro Magnetic Induction When a DC current passes through a long straight conductor a magnetising force, H and a static Magnetic Field, B is developed around it If the wire is then wound into a coil, the magnetic field is greatly intensified producing a static magnetic field around itself forming the shape of a bar … 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
Conductors, semiconductors and insulators Materials are classified as conductors, insulators, or semiconductors according to their electric conductivity. The classifications can be understood in atomic terms. Electrons in an atom can have only certain well-defined energies, and, depending on their energies, the electrons are said to occupy particular energy levels. In a typical atom with many … Read more
Thermal power program of India More than 65% of India’s electricity generation capacity comes from thermal power Plants, with 85% of the country’s thermal power generation being coal-based. The ten biggest thermal power stations operating in India are all coal-fired, with five of them owned and operated by state-run National Thermal Power Corporation (NTPC). Vindhyachal Thermal … Read more