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What is Electromagnetism? The permanent magnet can produce a good and very strong magnetic field. But in some applications, the magnetic field is too...
List of Some Important Magnetic Properties
The following properties are important when a magnetic material is used as a core. 1)Permeability 2)Saturation 3)Electrical Resistivity  4)Remanence  5)Coercivity 6)Reluctivity 7)Reluctance  8)Energy Product 9)Curie temperature  Permeability: Permeability is given by the flux...
What is magnetism?Classification of magnetic materials
What is magnetism? The first magnet was found in the magnesia in Asia minor. The material was given the name magnet. It could attract the...
What is superconductivity?Application of Superconductivity
What is superconductivity? As we know resistivity of the materials increases with the increase in temperature. And it decreases with the decrease in temperature. At...
What is Resistivity?Factors affecting the Resistivity.
What is the Resistivity: Resistance is the property of the conductor to oppose the electric current to flow through it. when the electromotive force...