Victorian Light Bulb

Demo Number 401
Location Shelf 32
Description A light bulb filament will move in a magnetic field. The behavior of the filament, however, depends on whether an AC or DC current flows through the filament. A DC current will cause the filament to pull sideways, while an AC current will cause it to vibrate in a magnetic field.
 Related Demos 007
  • From supplier website: The bulb’s filament is very fragile. When using the bulb in AC mode, we suggest holding a small neodymium magnet about 1 inch above the top of the bulb for short periods of time. Placing a magnet closer than 1 inch to the AC current bulb could break the bulb’s filament.
  • The same concept as demo 007 but this one has both AC and DC modes.

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This Demo is Part of the following Categories: 5H40 Force on Current in Wires