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 As session begins in most Nigerian university, polytechnics and colleges of education. It is thus advisable for students to keep there self updated and alert for urgent tests and exam as might be decided by the lecturer.  UNESCO in a brief UNESCO is responsible for coordinating international cooperation in education, science, culture and communication. It strengthens the ties between nations and societies, and mobilizes the wider public so that each child and citizen: • has access to quality education; a basic human right and an indispensable prerequisite for sustainable development; • may grow and live in a cultural environment rich in diversity and dialogue, where heritage serves as a bridge between generations and peoples; • can fully benefit from scientific advances; • and can enjoy full freedom of expression; the basis of democracy, development and human dignity. UNESCO's messages are of increasing importance today, in a globalized world where interconnections and divers...

 As session begins in most Nigerian university, polytechnics and colleges of education. It is thus advisable for students to keep there self updated and alert for urgent tests and exam as might be decided by the lecturer.  UNESCO in a brief UNESCO is responsible for coordinating international cooperation in education, science, culture and communication. It strengthens the ties between nations and societies, and mobilizes the wider public so that each child and citizen: • has access to quality education; a basic human right and an indispensable prerequisite for sustainable development; • may grow and live in a cultural environment rich in diversity and dialogue, where heritage serves as a bridge between generations and peoples; • can fully benefit from scientific advances; • and can enjoy full freedom of expression; the basis of democracy, development and human dignity. UNESCO's messages are of increasing importance today, in a globalized world where interconnections and divers...

Most industrial types of equipment are inductive loads hence, they required two kinds of power been consumed by them ( kW - to perform the actual work and kVAR - reactive power to sustain the magnetic field of the load ). Example of inductive load - Electric motors, Induction furnaces, Lighting ballasts, etc basically loads with the composition of coils for their design. While kW is the useful power required to keep the machine running. The kVAR basically does not perform any useful work except to help to sustain the magnetic field in the equipment. For example - if you had an electric motor that was operating at 100kW and the apparent power was 125kVA. Hence, power factor will be 0.8 (kW/kVA = 100/125 = 0.8pf). This means kVA decreases if pf increases. As an example - A 100kW load operating at 142kVA will have 0.7pf (70% efficient) and at 105kVA the pf will be 0.95(95%). This means the more you correct your pf the lesser the kVA that will be consumed and the lesser the utility you ar...