Permanent Magnets | Magnetism and Electromagnetism | Electronics Textbook
Permanent Magnet DC Motor (PMDC Motor) – How Do They Work? | Electrical4U
A permanent magnet is a magnet that does not lose its magnet field. However what makes a magnet permanent? In order to understand this we need to know. - ppt download
Applications of Permanent Magnets in Accelerators and Electron Storage Rings