Задача 30808.

In a uniform magnetic field in a plane perpendicular to the field induction lines, there is a closed turn of wire in the form of a circle with a radius of 6 cm. The cross-section of the wire is 0.5 mm^2, the resistivity of the wire material is 2*10^-8 Ohm*m. The magnetic field decreases at a rate of 0.4 T/s. Find the magnitude and direction of the induction current in the wire.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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