Задача 30469.

According to a circular coil of radius R = 7 cm flowing current of 1.4 A. perpendicular to the plane of a circular coil at a distance of 8 cm from its center passes infinitely long straight conductor, which carries a current of 3.2 A, determine the intensity and induction in the center of the circular turn.

Detailed solution with a single entry conditions, formulas and laws used in the decision, the derivation and answer.
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