A charged electroscope will indicate whether an unknown charge is positive or negative.
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Q1: Static electricity is a charge that is
Q3: Materials in which electrons move freely are
Q4: Many years ago, people were puzzled as
Q5: A charged object always affects other objects
Q6: The distribution of electrical charges in _
Q7: An induced charge on one object is
Q8: The difference in _ energy between two
Q9: It is not possible to insulate against
Q10: Sandpaper grit can be made to lie
Q11: Electrostatic lines of force show the existence
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