Dielectrics – Polarization: Complete Guide with Types, Derivations, Formulas and Applications

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  Dielectrics – Polarization: Complete Guide with Types, Derivations, Formulas and Applications Introduction A dielectric is an insulating material that does not allow the free flow of electric current but responds strongly when placed in an electric field. Unlike conductors, where free electrons move freely, the charges inside dielectric materials are bound to atoms or molecules. When an electric field is applied, these bound charges undergo a slight displacement, resulting in electric polarization. Polarization is important concepts in electro magnetics because it explains how dielectric materials store electrical energy, increase capacitor capacitance, and influence electric field distribution. Common dielectric materials include: Air Glass Plastic Rubber Ceramic Paper Mica Quartz Teflon Transformer oil Dielectrics are widely used in capacitors, transmission lines, microwave devices, electrical insulation, and electronic circuits. What is Polariza...
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GK- TEST T0P 10 LONGEST RIVER

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Top 10 longest Rivers in the World

1.Nile River

Length: 6,650 km — Countries: Egypt, Sudan, Uganda and others (Africa)


2.Amazon River

Length: 6,400 km — Countries: Brazil, Peru, Colombia (South America)


3.Yangtze River

Length: 6,300 km — Country: China (Asia)


4.Mississippi–Missouri River

Length: 6,275 km — Country: United States (North America)


5.Yenisei River

Length: 5,539 km — Country: Russia (Asia)


6.Yellow (Huang He) River

Length: 5,464 km — Country: China (Asia)


7.Ob–Irtysh River

Length: 5,410 km — Country: Russia (Asia)


8.Parana river

Length: 4,880 km — Countries: Brazil, Argentina, Paraguay


9. Congo River

Length: 4,700 km — Countries: DR Congo, Congo (Africa)


10. Amur River

Length: 4,444 km — Countries: Russia,china

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