5K10.80 - Faraday's Disc
To demonstrate generation of DC voltage with the rotational motion of an electrically conductive disc in a plane perpendicular to a uniform static magnetic field.
Attach a meter with a mV setting to the Faraday disc. Using a 3M pad, clean the surface of the rotating disc to ensure there is a good connection between it and the brush commutator.
With the multimeter attached, spin the conductive disc in the direction indicated. You should see a few milivolts generated by this apparatus. Then switch the multimeter to the amp setting and observe the larger value of the current produced by this apparatus.
NOTE: This Faraday's Disc is NOT designed to be a motor and a generator due to the type of "brush" commutator that was used.
Disk-type generator: Also known as a unipolar generator, acyclic generator, or disk dynamo