Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
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