Three Equal Negative Point Charges -Q Are Placed at Three $\vec { E }$

question 19

Multiple Choice

Three equal negative point charges -q are placed at three of the corners of a square of side d as shown in the figure.Which one of the arrows shown represents the direction of the net $\vec { E }$ field at the center of the square?

• A)A
• B)B
• C)C

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