20. a. If an electroscope is charged by
conduction using a glass rod rubbed
with silk, what charge will be developed
on the leaves of the electroscope?
b. If the same glass rod is used to charge
the electroscope by induction, what
charge is developed on the leaves?
If the charged electroscope is touched
with a wooden rod, what happens?
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Answer:
a.same charge b.opposite charge
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