Define the term retentivity and coercivity.

For a permanent magnet the properties retentivity and coercivity are respecitively

Define retentivity and coercivity. Draw the hysteresis curve for soft iron and steel. What do you infer from these curves ?

Define the term retentivity or remanence.

Define the term hormone

Define the term hormone

The hysteresis curve for a material is shown in the figure. Then for the material retentivity, coercivity and saturation magnetization respectively will be

The hysteresis curve for a material is shown in the figure. Then for the material retentivity, coercivity and saturation magnetization respectively will be