A +2.00 C charge is placed in an external electric field. It is observed that the electric force on this charge is < 4, 0, -2> N. What is the external electric field? Group of answer choices < 4, 0, -2> N/C < -4, 0, 2> N/C < 2, 0, -1> N/C < -2, 0, 1> N/C