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ERIC Number: EJ1177742
Record Type: Journal
Publication Date: 2018-Jul
Pages: 6
Abstractor: As Provided
ISSN: ISSN-0031-9120
Lenz's Law with Aluminum Foil and a Lengthwise Slit
Berls, Rob; Ruiz, Michael J.
Physics Education, v53 n4 Article 045001 Jul 2018
The classic demonstration illustrating Lenz's law by dropping a magnet through a copper pipe is presented using household aluminum foil right out of the box. Then comes the surprise. The teacher presents an aluminum foil cylinder with a missing lengthwise slice (cut before class). Will the demonstration still work? Students are amazed at the result, described in this paper and included in our accompanying video (Ruiz 2018 Video: Lenz's law with aluminum foil
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A