PhysicsOersted’s idea about Magnetic Field Oersted’s idea about the Magnetic field The branch of physics that deals with the magnetic effect of current are called electromagnetism. In 1828, H. C.…
PhysicsUses of Ferromagnetic Materials Ferromagnetic materials are usually used for nonvolatile information storage in tapes, hard drives, etc. They are used for two main technological applications: (i) as flux…
PhysicsDescribe on Hysteresis Loop in Magnetizing Field Consider an iron bar being magnetized slowly by a magnetizing field H whose strength can be changed. It is found that the magnetic induction B…
PhysicsDescribe on Hysteresis Loss In the process of magnetization of a ferromagnetic substance through a cycle, there is expenditure of energy. The energy spent in magnetizing a specimen is…
PhysicsExplain Properties of Ferromagnetic Substances Ferromagnetic substances are those in which each atom or molecule has a strong spontaneous net magnetic moment. These substances exhibit strong paramagnetic properties. The susceptibility…
PhysicsExplain Properties of Paramagnetic Substances Paramagnetic substances are those in which each atom or molecule has a net non-zero magnetic moment of its own. Susceptibility has a low positive value.…
PhysicsExplain Properties of Diamagnetic Substances Diamagnetic substances are those in which the net magnetic moment of atoms is zero. There are no atomic dipoles in diamagnetic materials because the resultant…
PhysicsWhat is Magnetic Susceptibility? Magnetic susceptibility is the scale of magnetization of a substance in reaction to an functional magnetic field. Magnetic susceptibility (Xm) is a property which determines how…
PhysicsIntensity of Magnetization The intensity of magnetization represents the extent to which a material has been magnetized under the influence of magnetizing field H. Definition: The Magnetic instant…
PhysicsDefine and Describe on Magnetic Permeability Magnetic permeability is the ability of the material to allow the passage of magnetic lines of force through it. Relative permeability μr of a material…