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Clarification needed regarding the Magnetization and Demagnetization process happened in the Hysteresis loop?
Ans) In classical electromagnetism or magnetic polarization is the vector field that expresses the density of permanent or induced magnetic dipole moments in a magnetic material. The origin of the magnetic moments answerable for magnetization can be either microscopic electric currents resulting from the motion of electrons in atoms, or the spin of the electrons or the nuclei. Net magnetization results from the response of a material to an external magnetic field, together with any unbalanced magnetic dipole moments that may be inherent in the material itself; for instance, in ferromagnets. Magnetization is not always homogeneous within a body, but rather varies among different points. Magnetization also defines how a material responds to an applied magnetic field as well as the way the material changes the magnetic field, and can be used to measure the forces that result from those interactions. It can be compared to electric polarization, which is the measure of the corresponding response of a material to an electric field in electrostatics. Physicists and engineers describes magnetization as the quantity of magnetic moment per unit volume. It is represented by a vector M.
Write down the factors which force a system to oscillate?
how do higher energy levels in our xray beam affect the photoelectric effect
michelson interferometer principle
Spin-orbit effect An influence that causes atomic energy levels to be split since electrons have intrinsic angular momentum (spin) additionally to their extrinsic orbital angul
Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
1. A child pulls a toy car weighing 0.20 kg across a smooth floor by means of a string attached to it. If the string makes an angle of 60° to the floor and the child pulls with a f
The resistances of commercially-available discrete resistors are restricted to particular sets. For example, the available values of resistors with 10% tolerance are selections fro
Explain about the laser cutting and welding. Laser cutting and Welding: Laser cutting is a technology which uses a laser to cut materials, and is generally used for industri
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
Differences in Construction of MOSFET and JFET An N-channel JFET is demonstrated in figure (a). It comprises a thin N-type silicon bar with two islands of P-type semiconductor
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