![electromagnetism - What is the difference between the magnetic field of a permanent magnet, and that of an electromagnet? - Physics Stack Exchange electromagnetism - What is the difference between the magnetic field of a permanent magnet, and that of an electromagnet? - Physics Stack Exchange](https://i.stack.imgur.com/y4xKq.png)
electromagnetism - What is the difference between the magnetic field of a permanent magnet, and that of an electromagnet? - Physics Stack Exchange
![What happens when a permanent magnet is brought near to the electromagnet which is energized by AC current? - Quora What happens when a permanent magnet is brought near to the electromagnet which is energized by AC current? - Quora](https://qph.cf2.quoracdn.net/main-qimg-fe3789cd20bec445c681ebcde1b5a946.webp)
What happens when a permanent magnet is brought near to the electromagnet which is energized by AC current? - Quora
What makes a permanent magnet permanent? In a motor or generator, it converts between mechanical and electrical energy, but doesn't lose any of its own. How does that work? - Quora
![The function of permanent magnets in some industrial devices – European Training Network for the Design and Recycling of Rare-Earth Permanent Magnet Motors and Generators in Hybrid and Full Electric Vehicles (DEMETER) The function of permanent magnets in some industrial devices – European Training Network for the Design and Recycling of Rare-Earth Permanent Magnet Motors and Generators in Hybrid and Full Electric Vehicles (DEMETER)](https://etn-demeter.eu/wp-content/uploads/2017/01/anas-photo-1.png)