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CBSE Class 10 Answered

what is coercivity and retentivity?
Asked by mehaksaini | 24 Dec, 2009, 07:27: PM
answered-by-expert Expert Answer

HI DEAR,

Coercitivity is the intensity of the magnetic field needed to reduce the magnetisation of a ferromagnetic material to zero after it has reached saturation...

 

Retentivity is the power of remaining magnetised after the force of magnetisation is stopped.

Hope this helps.

Regards

Topperlearning.com

Answered by | 24 Dec, 2009, 07:45: PM
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