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Electricity and Magnetism

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Electroscope Experiment

EANDM-44X4L0

You are playing with an electroscope that is on display at a science museum. As shown in figure (a), the electroscope consists of a metal sphere connected to two strips of unknown material by a metal rod. When you bring a negatively charged rod near the sphere you notice that the strips of unknown material separate, as shown in figure (b).

Created for Albert.io. Copyright 2016. All rights reserved.

Which of the following is most likely the material the unknown strips are made from?

A

Plastic wrap

B

Paper

C

Glass

D

Aluminum foil