Green LED Demonstration Board Graduations_Raised 6 ohm resistance

6 ohm resistance

3" (85mm) and an outer diameter of 3

Plated spring arm with press knob and a single contact stud

this brass cylinder on an ebonite-insulated base demonstrates Faraday-cage shielding and uniform-curvature charge density

and 4-pole armature configurations on the same motor frame by swapping interchangeable enameled-copper armatures past a permanent bar magnet on a disc commutator

Green LED Demonstration Board Graduations_Raised 6 ohm resistanceUsed to introduce LED polarity and forward bias behavior, this green LED on a demonstration base with 4mm plug connections lights up when current flows in the correct direction.