Magnetic Fields Inquiry   

We will explore magnetic field configurations and field strengths for permanent magnets in this inquiry exercise. Students will observe the curved field lines around a permanent magnet, and explore how field strength varies with distance. They will observe the magnetic field created by a current-carrying wire, as well as the current created in a wire when a magnet moves past it.

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Required Equipment
Bar Magnet Pair, Compass, D Battery 2/pk, Battery Holder, Magnet Wire, Lenz's Law Apparatus, Magnetic Field Viewer Paper, Plastic Tube, Galvanometer, Ruler, Poster Board.

Acknowledgements: Thank you to Dr. J.R. Harkay author of Phenomenal Physics for providing this student inquiry activity. Adapted from “Tesla’s Domain: Magnetic Fields,” an Inquiry Exercise by J. R. Harkay. See www.PhenomenalPhysics.com for more information on the complete Guided Inquiry Curriculum.

Dr. Russell Harkay
Keene State College
New Hampshire

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Recommended quantity per lab group: 1

The "Poster Board" required for this lab is readily available at your local convenience store. 1 sheet will be needed for this lab.