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Any economical quantitative electrostatics experiment?

  1. Jan 4, 2015 #1
    Do you know any economical quantitative electrostatics experiments for the university level?
    I'm asking for some experiments for undergraduates in the electrostatics context. We have a Van-de-Graaff generator in our fundamental physics lab but this kind of devices are useful for demonstration, Can they be used for quantitative experiments, too?!
     
  2. jcsd
  3. Jan 4, 2015 #2

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    Semi-quantitative good enough? Two (or more) Leyden jars with different interior electrode areas charged from same source attracting/repelling an unknown test charge (ping-pong ball) suspended by an insulating filament? Humidity and drafts could be a killer.
     
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