Serway_PSE_quick_ch23

# Serway_PSE_quick_ch23 - Physics for Scientists and...

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Unformatted text preview: Physics for Scientists and Engineers, 6e Chapter 23 – Electric Fields If you rub an inflated balloon against your hair, the two materials attract each other, as shown in this figure. Fill in the blank: the amount of charge present in the system of the balloon and your hair after rubbing is _____ the amount of charge present before rubbing. 1 2 3 33% 33% 33% 1 2 3 4 5 1. less than 2. the same as 3. more than The amount of charge present in the isolated system after rubbing is the same as that before because charge is conserved; it is just distributed differently. Three objects are brought close to each other, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. From this, we conclude that: 1 2 3 4 5 20% 20% 20% 20% 20% 1 2 3 4 5 1. objects A and C possess charges of the same sign. 2. objects A and C possess charges of opposite sign....
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Serway_PSE_quick_ch23 - Physics for Scientists and...

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