Two Charges of Opposite Sign and Equal Magnitude Q =

Two charges of opposite sign and equal magnitude Q = 0.82 C are held 2.0 m apart as shown in the figure.
-Determine the magnitude of the electric field at the point P.

A) 2.8 × 10⁸ V/m
B) 4.4 × 10⁸ V/m
C) 5.6 × 10⁸ V/m
D) 9.2 × 10⁸ V/m
E) zero V/m