lessons that use 9 volt battery
title | description | rating | post date | author | |
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Classroom Rail Gun |
This lesson introduces two homemade versions of the "electric rail gun", a device that uses the principles of electromagnetic propulsion to drive a rod or axle along a pair of conducting rails. Both versions are suitable for in-class demonstration or hands-on activities. They... |
(29 votes) |
25 Jan 2013 | guy | |
Homemade Telegraph |
Construction plans and suggestions for a homemade telegraph. Serves as a good application for studying electromagnets. |
(19 votes) |
12 Apr 2013 | guy | |
Faraday Motor |
This lesson shows how to construct and operate a modern version of the first electric motor, invented by Michael Faraday. It serves as an excellent demonstration or hands-on activity to show the basic principles behind the operation of an electric motor. Learning goals:... |
(10 votes) |
30 Jan 2013 | guy |