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1. A positive charge is located at the origin. What is the direction of the electric potential of the positive charge?

2. Consider two conducting spheres with onehaving a larger raduus than the other. Bpth spheres carry the same amount of ecess charge. Which one of the following statements concerning the elctric potential of the two spheres is true?

3. Why it is possible to define an electrostatic potential in a region of space that contains an electrostatic field?

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