Four particles are placed at the vertices of a square whose sides measure 2 cm. If the charge on each of the 4 particles is q = 7 * 10^-6 C and a charge Q is located at the center of the square, determine the magnitude of Q if the resultant force on each charge q_i is zero.

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Q: Algae

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Q: 100 (N) PO 80 60 40 20 0 24 6 8 10 Area (m²)

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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.