4/1/11 9 Physics 1224/1/11 11 Physics 122 Q1 Q2 q 1. Yes 2. No 3. How do you expect me to know?4/1/11 12 Physics 122 In the figure are shown four arrangements of charge. Each charge has the same magnitude, but some are + and some are -. All distances are to the same scale. In which would the magnitude of the force felt by a positive test charge placed at P be the largest?4/1/11 13 Physics 122 In the figure each of the red charges are positive and have the same magnitude. In which of the diagrams would the magnitude of the force felt by a positive test charge placed at P be the largest?4/1/11 14 Physics 122 FA→ q FB→ q+FC→ q FA→ q+FB→ q+FC→
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