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Electricity
and Magnetism
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Giant Electroscope
GIANT
ELECTROSCOPE is a giant table top electroscope which uses two āUā
shaped threads as indicators of electrostatic charge. This electroscope
has two plates attached to the indicating threads. It is possible
to discharge this sensitive electroscope in small iterations by
touching a very well-insulated ball to the charged plate and then
grounding it against the other plate. This iterative transfer of
charge is akin to emptying a large pot of water with a coffee cup.
The exhibit also allows visitors to receive a small shock, if they
wish, and incorporates three distinct methods for discharging the
electroscope.
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