Iron powder shows the magnetic lines of forces in a coil, where a current of 20 Amperes flow.

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Size: 3476px × 2240px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
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Keywords: chips, coil, current, demonstration, education, educative, electricity, electromagnetism, experiment, field, flux, forces, home, iron, laboratory, lines, magnet, magnetic, magnetism, nature, physics, powder, school, science, scientific, tutorial, university, windings