Demos: 6B-20 St. Louis Motor

Directions for doing the demo: Place the device on the document camera and attach the leads to a 1.5 voltage source. The armature will begin to spin. There are three adjustments you can make on the device which will affect the motor. The spacing of the magnets can be changed. The applied voltage can be changed while also changing the polarity of the leads. The angle of the commutator can be adjusted to various points in the armature’s rotation cycle.
Applications: Faraday’s Law
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Last Updated: Jul 23, 2019 10:14 AM