FIGURE 19-11 -Three Equal Point Charges of Varying Signs Are Placed on Are

Multiple Choice

FIGURE 19-11
-Three equal point charges of varying signs are placed on three of the corners of a square of side d as shown in Figure 19-11. Which of the arrows shown represents the direction of the net electric field at the vacant corner of the square?

A) A
B) B
C) C
D) D
E) none of the above