How much energy is stored in a magnet? How efficient is it as a battery? What is the quickest way to turn all its magnetism into electricity? - Quora
![magnetics - Why can't we use magnets to create energy like this? - Electrical Engineering Stack Exchange magnetics - Why can't we use magnets to create energy like this? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/T5dYD.png)
magnetics - Why can't we use magnets to create energy like this? - Electrical Engineering Stack Exchange
![Comparison of the magnetic energy spectrum, Ω M (k)/k, normalised with... | Download Scientific Diagram Comparison of the magnetic energy spectrum, Ω M (k)/k, normalised with... | Download Scientific Diagram](https://www.researchgate.net/publication/335356002/figure/fig4/AS:957085579739136@1605198392010/Comparison-of-the-magnetic-energy-spectrum-O-M-k-k-normalised-with-the-total-magnetic.png)