3-D Magnetic Field Demonstrator
With this 3-D Magnetic Field Demonstrator, the iron filings are suspended in oil in a sealed acrylic container. Insert a cylindrical bar magnet (not included) into the opening, or two magnets with opposing polarities, and watch the filings line up along the magnetic field lines. View the demonstration directly or with an overhead projector.
Description
With this 3-D Magnetic Field Demonstrator, the iron filings are suspended in oil in a sealed acrylic container. Insert a cylindrical bar magnet (not included) into the opening, or two magnets with opposing polarities, and watch the filings line up along the magnetic field lines. View the demonstration directly or with an overhead projector.
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