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demonstrations:5_electricity_and_magnetism:5a_electrostatics:old_plotter:start [2020/03/09 18:19] demoroom |
demonstrations:5_electricity_and_magnetism:5a_electrostatics:old_plotter:start [2020/03/09 21:39] demoroom |
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See how polarization can keep a piece of paper stuck to the plotter. | See how polarization can keep a piece of paper stuck to the plotter. | ||
- | There are alternating stripes of positive and negative charge beneath the plate of the plotter that hold the paper in place. | + | When the auto-grip is turned on, there are alternating stripes of positive and negative charge beneath the plate of the plotter that hold the paper in place. |
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===== Apparatus ===== | ===== Apparatus ===== | ||
- | Seems to be HP 7005B Plotter. | + | Seems to be HP 7005B X-Y Recorder. |
===== Setup ===== | ===== Setup ===== |