5K20.50 - Rotating Ball

Rotating ball

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PIRA Classification: 5K20.50

Description: A hollow aluminum ball rotates in a large watch glass atop a shaded pole transformer. The ball rotates as the two coils below are out of phase by approximately 90 degrees, resulting in a rotating magnetic field.

Special Instructions: None

Condition: Good

Setup time: 1 minute

Safety Issues: None