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Show charges attract and repel Classes Used: Phys 153
Ping-pong balls and support, Electrostatic generator, Horizontal projector
1. Move the balls so that they are just touching. One terminal of electrostatic generator to the balls and the other to the grounded frame. The balls should repel about 5 cm. The frame is set up in front of the horizontal projector. 2. Separate balls and connect them to the +ve and -ve of the generator and observe attractive force. 3. Can repeat attractive force experiment at different separations to show that force increases as separation decreases. A larger version of this demo (shown below) is available for use in Hebb theater. Can also demonstrate with two balloons charged with cat fur. Updated on 06/10/13
Demo room information
Location | —- |
Maker | Unknown |
Current State | Working |