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ERIC Number: EJ791493
Record Type: Journal
Publication Date: 2008-May
Pages: 5
Abstractor: Author
ISSN: ISSN-0031-9120
The Jumping Ring and Lenz's Law--An Analysis
Bostock-Smith, J. M.
Physics Education, v43 n3 p265-269 May 2008
Lenz's law is sometimes invoked to explain the behaviour of the jumping, or levitating, ring. This is shown to be incomplete, and an alternative explanation using Faraday's laws and circuit analysis is offered. This leads to the choice of optimum material and dimensions for the ring. (Contains 1 table and 4 figures.)
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 - Evaluative
Education Level: N/A
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A