Three Equal Negative Charges Are Placed at Three of the Four

question 21

Multiple Choice

Three equal negative charges are placed at three of the four corners of a square. The direction of the electric field at the remaining corner of the square is

• A) along a side of the square toward one of the charges.
• B) along a side of the square away from one of the charges.
• C) along the line connecting this corner with the opposite corner, and toward that corner.
• D) along the line connecting this corner with the opposite corner, but away from that corner.
• E) no direction, zero field.

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