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Hysteresis is a phenomena which dipicts different output effect with loading and unloading

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Does a diamagnetic substance exhibit hysteresis loss?

No, diamagnetic materials do not exhibit hysteresis loss because they do not have permanent magnetic moments that can be aligned and re-aligned in response to an external magnetic field. Hysteresis loss occurs in ferromagnetic materials due to the energy dissipated during the reversal of magnetic domains.


WHAT IS THE The phenomenon in which magnetism lags behind the magnetizing current?

The phenomenon you are referring to is known as hysteresis. In hysteresis, the magnetic field in a material lags behind changes in the magnetic field strength, creating a loop-shaped relationship between the magnetic field and the magnetic flux density. This lag is due to the alignment of magnetic domains within the material.


Why area of hysteresis loop is change with temperature?

Disorder. Each unit cell has its own dipole moment, which, when there is a net polarisation, are described as ordered. At high T, the direction of the dipole moments randomises, giving a disordered material with no net polarisation.Phase transitions that can open up new possibilities for dipole moments to form. In this case, there is a jump at 0°C, and at 90°C, where the loop becomes taller.


Why core loss depends on voltage?

Core loss depends on voltage because it is primarily due to hysteresis and eddy current losses in the magnetic core material. When the voltage increases, it leads to higher magnetic flux density variations within the core material, causing an increase in hysteresis and eddy current losses, thus resulting in higher core losses.


How do the temperatures of the radiative zone and the convection zone compare?

The radiative zone is hotter than the convection zone. In the radiative zone, energy is transferred through electromagnetic radiation, while in the convection zone, energy is transferred through the movement of hot gas or plasma.

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