16. Two isolated spheres, A and B, are 2 m apart. Sphere A has charge q and sphere B has charge 2q. The electrostatic force on sphere A is a. b. C. b. the same as on sphere B two times that on sphere B half that on sphere B 17. Which of the following diagrams represents the field of force around a negative point charge? d. a. C. d. four times that on sphere B e. not enough information

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