In the figure the four particles form a square of edge length a = 6.90 cm and have charges q1 = 10.3 nC, q2 = −21.3 nC, q3 = 21.3 nC, and q4 = −10.3 nC. What is the magnitude of the net electric field produced by the particles at the square's center? Number Units

In the figure the four particles form a square of edge length a = 6.90 cm and have charges q1 = 10.3 nC, q2 = −21.3 nC, q3 = 21.3 nC, and q4 = −10.3 nC. What is the magnitude of the net electric field produced by the particles at the square's center? Number Units

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In the figure the four particles form a square of edge length a = 6.90 cm and have charges q 1 = 10.3 nC , q 2 = 21.3 nC , q 3 = 21.3 nC , and q 4 = 10.3 nC . What is the magnitude of the net electric field produced by the particles at the square's center?
Number i Units

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