2 Pcs Electrostatic Feather Student Physics Electrostatic Experiment Equipment Demonstrator Test Feather Static Experiment Equipment Physical and Electrical Science Teaching Instruments

100% Pure Rotating the motor can see that the electric plume wires of the electroscope plume out in a radial pattern, simulating the electric field lines of the point charge. Demonstrate electric field line experiments and students explore experiments about static electricity. Demonstrate the electric field lines of point charge, and connect the bracket of the electric test feather (the metal rod is conductive) to the induction motor by wires. The product consists of round base, bracket, silk thread, etc. Each set is equipped with two., Manufacturer: ASumPio