Задача 31057.

As long solenoid current of 0.1 A flows. solenoid radius of 2 cm, the linear density of turns 10 ^ 3 m ^ -1. Inside the solenoid coil 1 cm circular radius is located so that the axis passes through the solenoid coil and the center plane. 1A coil current. Find the magnitude of the magnetic field in the center of the loop.

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