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Unformatted text preview: the test charge! The field is generated by all charges in the world except the test charge! Electrostatic potential: potential energy per unit test charge! New energy unit: electronVolt Where is the zero of the electrostatic potential? Concept Question: If 500 J of work are required to carry a 40C charge from one point to another along a specific path, the potential difference between these two points is: A) 12.5 V B) 20,000 V C) 0.08 V D) depends on the path E) none of these Potential of a point charge Potential is an additive scalar potential of several point charges Three possible configurations for an electron e and a proton p are shown below. Take the zero of potential to be at infinity and rank the three configurations according to the potential at S, from most negative to most positive. 1) 1, 2, 3 2) 3, 2, 1 3) 2, 3, 1 4) 1 and 2 tie, then 3 5) 1 and 3 tie, then 2...
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 Spring '08
 Turner
 Charge, Electric Fields, Energy

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