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• 12:44, 26 January 2023 Physdemo talk contribs created page Human Circuit with Plasma Ball (Created page with "{{NewDemo|subject=Electricity and Magnetism|topic=Electric Fields and Potential|file1=plasma.jpg}} Have a student hold the fluorescent bulb in the left hand and have them place their right hand on the bulb. Then you grab the bulb around the midpoint, and the bulb will light. Slide your hand down the bulb, and the light will follow your hand. he student is at high potential (a student's potential is always high) and you ar at a lower potential (ground) so the bulb ligh...")