A charge of +4 µC is placed at x = 0 and a charge of +9 µC is placed at x = 1 m. At what point must a third positive charge be placed so that the resultant force on it is zero?
University of Ilorin PHY102 2026-test past question
- 0.40 m
- 0.67 m
- 0.60 m
- 0.50 m
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