YNIYUJKL Foil Electroscope Teaching Tools Physical Study Aids Faraday Cylinder Instruments Foil Electrometer With Silk Glass Rod Physics Experiment Equipment Teaching Instrument
YNIYUJKL
Check whether the object is charged Check whether the charge of the object is positive or negative Inspecting the insulation of objects and demonstrating induction charging, etc. Foil electroscope is mainly used for electrostatic experiments in middle school physics teaching Scope of application: teaching supplies
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