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Hi I would like assistance with number 26 on my study guide for my exam later this week.

label Physics
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Apr 13th, 2015
An electroscope is a device used to detect the presence of charge and it's relative amount.  The electroscope is usually constructed with a metal plate or sphere at the top of a metal post with thin foil leaves hanging from the bottom of the post.  This setup is typically supported in a flask or some other transparent enclosure.  If a charged object is brought near the top of the electroscope, the leaves at the bottom spread apart.  The greater the charge, the farther apart they move.

  • Electrons pushed by negative object toward the bottom of the electroscope.
  • The foil leaves at the bottom have a negative charge so they repel each other.

Apr 21st, 2015

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Apr 13th, 2015
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Apr 13th, 2015
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