From the figure, the four particles form a square of edge length a = 3 cm and have charges q1 = 8 nC, q2 = -17 nC, q3 = 7 nC, and q4 = -6 nC. Solve for the magnitude of the net electric field (in kV/m) the particles produce at the square’s center.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.