Identical 4.0-μC charges are placed on the y axis at y = ±4.0 m. Point A is on the x axis at x = +3.0 m. Determine the electric potential of point A (relative to zero at the origin).
A) −4.5 kV
B) −2.7 kV
C) −1.8 kV
D) −3.6 kV
E) −14 kV

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The Answer of Identical 4.0-μC charges are placed on the y axis at y = ±4.0 m. Point A is on the x axis at x = +3.0 m. Determine the electric potential of point A (relative to zero at the origin).
A) −4.5 kV
B) −2.7 kV
C) −1.8 kV
D) −3.6 kV
E) −14 kV