Iron filings show the fields of the two poles of a U-shaped magnet.

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Size: 3595px × 5100px
Photo credit: © Spencer Grant / Art Directors / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: attraction, demonstration, demonstrations, field, fields, filings, iron, magnet, magnetism, negative, north, pattern, patterned, patterns, pole, positive, science, south