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Work, Energy and Power Introduction-ii
Summary - In physics, the concept of energy plays the role of the money. Work is transferred to or from an object by means of force acting on the body. Energy transferred to the body is positive work and the energy transferred from the body is negative work. Unit of work is joule. The time rate at ..
Summary - In physics, the concept of energy plays the role of the money. Work is transferred to or from an object by means of force acting on the body. Energy transferred to the body is positive work and the energy transferred from the body is negative work. Unit of work is joule. The time rate at ..Average Power Associated with LCR Circuit in Series
>Total work done or energy spent in maintaining current over one full cycle. The second term is zero over complete cycle i.e., Therefore, The quantity cos q is called the power factor of the AC circuit and we kn..
>Total work done or energy spent in maintaining current over one full cycle. The second term is zero over complete cycle i.e., Therefore, The quantity cos q is called the power factor of the AC circuit and we kn..Summary
Julius Caesar is the story of a man's personal dilemma over moral action, set against a backdrop of political drama. Julius Caesar, an able general and a conqueror, returns to Rome amidst immense popularity after defeating the sons of Pompey. The people celebrate his victorious return and he is of..
Matter and its Forms
Take a look at your surroundings. You may find a pencil, a book, an apple, a table or a chair. Can you feel the air blowing? These are different forms of matter. One or more of our senses can recognize these. These objects possess mass, occupy space and have different shapes, sizes and colours. Al..
Underground water
Underground water is that part of rainwater, which is infiltrated into the soil and is developed into a source of water. Total rainfall in the country is estimated to contribute 400 million hectare meters (1 hectare metre = 10,000 cubic metre = 2,80,000 cu ft) of water annually. Out of t..
Monocytes
These are the largest sized leucocytes forming about 5% of the total leucocyte count. They have a oval, kidney or horse shaped nucleus. They are motile and have the power of engulfing bacteria. These also differentiate into macrophages or scavenger cells which remove damaged an..
These are the largest sized leucocytes forming about 5% of the total leucocyte count. They have a oval, kidney or horse shaped nucleus. They are motile and have the power of engulfing bacteria. These also differentiate into macrophages or scavenger cells which remove damaged an..Illustration of Conservation of Mechanical Energy
Conversion of gravitational potential energy to kinetic energy: When a body falls from a certain height, its kinetic energy increases. ..
Conversion of gravitational potential energy to kinetic energy: When a body falls from a certain height, its kinetic energy increases. ..Commercial Unit of Electrical Energy
Commercial Unit of Electrical Energy - Kilowatt - hour is the commercial unit of electrical energy. We have seen that power is the rate of energy consumed or delivered. If 1 joule of energy is used per second, we say that energy is used at the rate of 1 watt. In other words, if energy is ..
Law of Conservation of Energy
Law of Conservation of Energy - Let us see what is actually taking place in the following examples: Steam engine: The coal burns. Heat due to the combustion of coal converts water into steam. The expansive force exerted by the steam on the piston of the engine moves the locomotive. Chemical energy ..
Natural Resources and Conservation Summary
Summary - Man has to be dependent on natural resources despite all the scientific inventions Natural resources could be classified into geographical, hydro-geological, atmosphere, edaphic, forest, crop, wildlife, marine / aquatic, animal, human and microbial resources Natural resources are the basi..
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