Define retentivity and coercivity.

Question

Devan Herman

Physics

25 December, 13:46

Define retentivity and coercivity.

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Aileen Mcbride · Answer 1

Retentivity: the ability of a substance to retain or resist magnetization, frequently measured as the strength of the magnetic field that remains in a sample after removal of an inducing field.

Coercivity: the resistance of a magnetic material to changes in magnetization, equivalent to the field intensity necessary to demagnetize the fully magnetized material.

Shyla Jennings · Answer 2

Coercivity: the resistance of a magnetic material to changes in magnetization, equivalent to the field intensity necessary to demagnetize the fully magnetized material.

Retentivity: the ability of a substance to retain or resist magnetization, frequently measured as the strength of the magnetic field that remains in a sample after removal of an inducing field.