wuhewen1931 wuhewen1931

25-11-2022
Physics

contestada

a student has a small metal sphere that hangs from an insulating string. the student, in seeking to determine the charge on the sphere, brings a positively charged rod near the sphere and finds that the sphere is attracted to the rod. the student then brings a negatively charged rod near the sphere, and finds that the sphere is again attracted to the rod. which of the following conclusions, if any, can be drawn from these results?

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