Electric field of multiple point-charges: Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure. Which of the arrows represents the direction of the net electric field at the center of the square?
A) A
B) B
C) C
D) D
E) The field is equal to zero at point P.

Question

Electric field of multiple point-charges: Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure. Which of the arrows represents the direction of the net electric field at the center of the square? 
A) A 
B) B 
C) C 
D) D 
E) The field is equal to zero at point P.

Quizplus · Accepted Answer

The Answer of Electric field of multiple point-charges: Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure. Which of the arrows represents the direction of the net electric field at the center of the square? 
A) A 
B) B 
C) C 
D) D 
E) The field is equal to zero at point P.

Electric Field of Multiple Point-Charges: Three Equal Negative Point Charges