Задача id258

An insulated conductor is bent in the form of a right angle with sides of 20 cm each. A ring conductor with a radius of 10 cm is placed in the plane of the angle so that the sides of the angle are tangent to the ring (Fig. 33, a). Find the induction at the center of the ring. The current strength in the conductor is 2 A. Ignore the influence of the supply wires.

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