What is Curie temperature? And what is retentivity?
(N/A) Curie temperature: It is the temperature above which a ferromagnetic material becomes paramagnetic. Below this temperature,the material exhibits ferromagnetism.
Retentivity: For a ferromagnetic substance,in the $B-H$ hysteresis loop,the value of magnetic induction $B$ at $H=0$ is called retentivity. It represents the residual magnetism left in the material after the external magnetic field is removed.
Retentivity: For a ferromagnetic substance,in the $B-H$ hysteresis loop,the value of magnetic induction $B$ at $H=0$ is called retentivity. It represents the residual magnetism left in the material after the external magnetic field is removed.
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