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Task 30604.
On angled 120 ° long wire runs a current of I = 20 A. To determine the field strength at the bisector of the angle at point A, separated from the vertex O on 15 cm.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.