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demonstrations:5_electricity_and_magnetism:5a_electrostatics:electrostatic_attraction_and_repulsion:start [2019/02/14 23:33] 127.0.0.1 external edit |
demonstrations:5_electricity_and_magnetism:5a_electrostatics:electrostatic_attraction_and_repulsion:start [2020/03/05 19:30] demoroom |
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====== Electrostatic Attraction And Repulsion ====== | ====== Electrostatic Attraction And Repulsion ====== | ||
- | {{tag> needs_review untagged unlocated}} | + | {{tag> electrostatics charge untagged located}} |
<WRAP box right> | <WRAP box right> | ||
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===== Apparatus ===== | ===== Apparatus ===== | ||
- | Ping-pong balls and support, Electrostatic generator, Horizontal projector | + | Ping-pong balls and support, [[demonstrations:5_electricity_and_magnetism:5k_electromagnetic_induction:5k40_motors_and_generators:wimshurst_machine:start | Wimshurst Machine ]], Horizontal projector |
===== Setup ===== | ===== Setup ===== | ||
- | 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 | + | 1. Move the balls so that they are just touching. Attach one terminal of Wimshurst Generator to the balls. The balls should repel about 5 cm. The frame is set up in front of the horizontal projector, or on camera. |
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+ | 2. Separate balls and connect them to different terminals and observe attractive force. They will bounce against each other as they are attracted then discharge. | ||
+ | |||
+ | 3. Can repeat attractive force experiment at different separations to show that force increases as separation decreases. | ||
===== Notes ===== | ===== Notes ===== | ||
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</WRAP> | </WRAP> | ||
<WRAP tablewidth 100%> | <WRAP tablewidth 100%> | ||
- | | **Location** | ---- | | + | | **Location** | F3 | |
| **Maker** | Unknown | | | **Maker** | Unknown | | ||
| **Current State** | Working | | | **Current State** | Working | |