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Background pertinent to this problem is available in Interactive LearningWare 18.3 . A 3.0-mC point charge is placed in an external uniform electric field of 1.6×104 N/C. At what distance from the charge is the net electric field zero?
Hint:
Simply find the distance from the charge where the magnitude of the electric field produced by the charge is equal to the magnitude of the external electric field. |