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An exciting experiment for pre-engineering and introductory physics students: creating a DC motor using the Lorentz force

Wathiq N Abdul-Razzaq, Manfred H Boehm and Ryan K Bushey

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Introductory physics laboratories have been demonstrated in some instances to be difficult or uninteresting to students at the collegiate level. We have developed a laboratory that introduces the concept of the Lorentz force and allows students to build a non-traditional DC motor out of easily acquired materials. Basic electricity and magnetism concepts are joined together in a simple and enjoyable experiment that allows the students to demonstrate physics at first hand and without the use of complex materials.


PACS

01.50.Pa Laboratory experiments and apparatus

01.50.My Demonstration experiments and apparatus

84.50.+d Electric motors

Subjects

Electronics and devices

Education and communication

Dates

Issue 2 (March 2008)

Received 25 September 2007, in final form 26 September 2007



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