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What is Permanent Magnet Coercivity and Retentivity about?

This document discusses three types of magnetic materials: soft magnetic materials, hard magnetic materials, and ferroelectric materials. Soft magnetic materials have small coercivity and retentivity and are used in electromagnetic machinery. Hard magnetic materials have high coercivity and retentivity and are used to produce permanent magnets. Ferroelectric materials exhibit spontaneous polarization in the absence of an electric field and are used in applications like voltage regulators.

Author

thulasi ganesan

Language

EN