The iron filings in the image become induced magnets when they are near the bar magnet. They lose most or all of their magnetism when they are removed from the magnetic field.

it produces its own magnetic field the magnetic field cannot be turned on and off - it is there all the time Bar magnets and horseshoe magnets are examples of permanent magnets. The iron filings ...

Bullish - Video Magnetism Experiments: Bar Magnets, Iron Filings & Compass Science Posted: April 8, 2025 | Last updated: April 8, 2025 The video explains the concepts of magnetic, electric, and ...

Researchers at the Cavendish Laboratory ... displayed macroscopic magnetic characteristics. Iron filings align in solution under relatively small magnetic fields (<1T), similar to their behavior ...