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Four Point Charges Q of Equal Magnitude and Sign Are

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Four point charges Q of equal magnitude and sign are arranged on three of the corners of the square of side d as shown in the figure.Which one of the arrows shown represents the sum of the forces exerted on the charge at the upper right hand corner of the square? Four point charges Q of equal magnitude and sign are arranged on three of the corners of the square of side d as shown in the figure.Which one of the arrows shown represents the sum of the forces exerted on the charge at the upper right hand corner of the square?   A) A B) B C) C D) D


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