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Task 31313.
A thin wire (insulated) forms a flat spiral of N = 100 tightly adjacent turns for which the current flows I = 8 mA. The radius of the inner coil a = 50 mm, the radius of the outer coil b = 100 mm. Determine the induction B of the magnetic field center of the spiral.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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