If a glass rod is rubbed with a cloth made of polyester, what will the resulting charge be on each material?
A. the charge on the glass rod is positive and the charge on the cloth is negative
B. the charge on the glass rod is negative and the charge on the cloth is positive
C. the charge on the glass rod is neutral and the charge on the cloth is positive
D. the charge on the glass rod and the cloth both become neutral
Answer: A. the charge on the glass rod is positive and the charge on the cloth is negative
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