What are the (a) magnitude and (b) direction (relative to the positive direction of the x-axis) of the net electric field produced at point P at y = 4.00 m?
A) Magnitude: 12.00 N/C, Direction: 45°
B) Magnitude: 12.00 N/C, Direction: 90°
C) Magnitude: 24.00 N/C, Direction: 0°
D) Magnitude: 24.00 N/C, Direction: 180°
