Task 31483.
Point charge Q1 = 1 nC, Q2 is = 1 nC, Q3 = - 2 nC located on the plane in the lattice sites to the cell in the form of a square with sides of 0.1 m lattice sites, which are referred to the charges set radius vectors r1 =. (a, 0), r2 = (0, a), r3 = (- a, -a). The remaining nodes are no charges. Determine the strength and potential of the electric field at the point with radius vector r = (0,0).
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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