Задача 31170.

The ring radius 15 cm power current flows in 10A coplanar with the ring is a long, straight conductor is insulated, where the current in the conductor 10A coincides with the tangent to the circumference of the ring current. Find the magnetic field at the center of the ring at different current directions.

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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