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Electric Charge and Static Electricity
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Grade Level
Physical Science with Earth and Science
9.81 Electric Charge and Static Electricity
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Two neutral materials are rubbed together in an isolated system. After rubbing, one material has a charge of +7 units. Which model best accounts for the system's total charge?
A
The other material has -7 units, so total charge remains zero.
B
The other material has -14 units, so charge is overcorrected.
C
The other material also has +7 units, so charge has doubled.
D
The other material is neutral, so +7 units were created.
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