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two points Ⓐ and Ⓑ are located within a region in which there is an electric field. (i) How would you describe the potential difference ΔV = VⒷ − VⒶ? (a) It is positive. (b) It is negative. (c) It is zero. (ii) A negative charge is placed at Ⓐ and then moved to Ⓑ. How would you describe the change in potential energy of the charge–field system for this process? Choose from the same possibilities.
Figure 24.1 (Quick Quiz 24.1) Two points in an electric field.
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