Surface Charge Density - Balls
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PIRA Classification: 5B30.10
Description: The pairs of spheres, each pair larger than the next,
are connected to a Wimshurst machine. A spacer is used to ensure that the
spheres have the same separation. The Wimshurst is cranked and the
spheres are observed to see which pair sparks first.
Special Instructions: None
Ideally For: Phys 1102, 1202, 1302
Condition: Good
Setup time: 3 minutes
Safety Issues: Make sure to discharge the Wimshurst machine to
avoid shocking yourself.