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J5-01. Magnetic Field Of A Bar Magnet
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J5-01. Magnetic Field Of A Bar Magnet
Purpose
To visualize the magnetic field of a bar magnet.
Equipment
Bar magnet, plastic box and iron filings with overhead projector.
Images
Description
A bar magnet is positioned beneath a plastic box on an overhead projector. Sprinkle iron filings into the box above the magnet and tap the box slightly so that the filings will align along the magnetic field lines.
References
Gary P. Johnson, Magnetic Field Visualization on the Overhead Projector, Physics Teacher 28, 244, (1990).
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See pagesj1. electrostatic charge & force
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See pagesj3. electric fields & potential
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See pagesj4. capacitance & polarization
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See pagesj5. magnetostatics
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See pagesj6. electromagnets
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See pagesj7. magnetic materials
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See pagesj1. electrostatic charge & force
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See pagesj3. electric fields & potential
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See pagesj4. capacitance & polarization
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See pagesj5. magnetostatics
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See pagesj6. electromagnets
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See pagesj7. magnetic materials
Physics Lab Demos