What happens when a plastic lid sprinkled with iron filings is placed over a magnet?

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Hopkins

Physics

23 April, 00:46

What happens when a plastic lid sprinkled with iron filings is placed over a magnet?

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Madelyn Reid · Answer 1

When a plastic lid is sprinkled with iron filings is placed over a magnet then a pattern is formed. The iron fillings arrange themselves in a way how magnetic field is present. The force of the magnet is the strongest at the two ends because more iron particles are concentrated in these areas. The magnetic lines of flux flow from one end to the other.