| 5D40.10 Jacob's ladder | |||
|---|---|---|---|
| Use: | An arc rises between rabbit ear electrodes attached to a high voltage transformer. About 30,000V/cm needed to get current flowing in air gap. Glowing area heats air, reducing density, so it rises like a hot air ballon. |
|
|
| Setup: | Some. Arrange before class | ||
| Equations: | NA | ||
| Safety Issues: | Do not touch power supply terminals or electrodes when power on. Extremely high voltage may kill you. Keep students away. | ||
Copyright ©1996, James Clark
