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The pendulum ball, when in contact with the electrode terminal on one side, collects the same polarity charge as the electrode and moves away from the electrode by repulsion. The opposing electrode is charged to the different polarity and the ball moves to the other side by attraction. This round trip process is repeated as long as current is generated across both electrodes.
Use this product along with the
Static Genecon for a great demonstration of electrostatic electricity!
