Four charges of the amount of each (q) are placed at the corners of a square whose side length is (a) What is the amount and type of charge that must be placed in the center of the square to make the net electrostatic forces acting at each of its vertices equal to zero
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![Four charges of the amount of each (q) are
placed at the corners of a square whose side
length is (a) What is the amount and type of
charge that must be placed in the center of the
square to make the net electrostatic forces acting
at each of its vertices equal to zero](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3b39c12-95b9-4a9d-90b0-5eeca2737e0f%2F2f19d539-6506-4078-a35c-93dab8c4ba5c%2Fxbth4n_processed.jpeg&w=3840&q=75)
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