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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This note was uploaded on 01/19/2010 for the course PHYS 200 taught by Professor Davies during the Spring '08 term at Roger Williams.

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Serway_PSE_quick_ch23 - Physics for Scientists and...

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