Задача 31689.

Four charges are located at the vertices of a square with a side of 10 ^ -1 m. What is the magnitude and direction of the intensity vector in the center of the square, if the charges are the same and equal to 10 ^ -8 C?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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