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Physics, 05.07.2019 15:00 mathater15

a positive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? a) sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. b) sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. c) sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. d) sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

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