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ERIC Number: EJ1046768
Record Type: Journal
Publication Date: 2014-Dec
Pages: 3
Abstractor: As Provided
Reference Count: 12
ISBN: N/A
ISSN: ISSN-0031-921X
Using Experiment and Computer Modeling to Determine the Off-Axis Magnetic Field of a Solenoid
Lietor-Santos, Juan Jose
Physics Teacher, v52 n9 p561-563 Dec 2014
The study of the ideal solenoid is a common topic among introductory-based physics textbooks and a typical current arrangement in laboratory hands-on experiences where the magnetic field inside a solenoid is determined at different currents and at different distances from its center using a magnetic probe. It additionally provides a very simple scenario in which Ampère's law can easily be applied by using a rectangular area that is pierced by a certain number of turns of the solenoid. The integration path is laid out in such a way so that part of it lies outside the solenoid; in so doing, the familiar result B[subscript solenoid] = µ N/L I is obtained, where µ is the magnetic permeability, N is the number of turns of the solenoid, L is the length, and I is the current.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://scitation.aip.org/tpt
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A