Problem 31651.
In a homogeneous magnetic field, whose induction is 0.8 T, the wire coil is positioned so that its plane is perpendicular to the magnetic field. The cross-sectional area of the wire turn is 100 cm ^ 2. The coil is closed on a galvanometer. When the turn is rotated through an angle of 90 °, a charge of 1 mC passes through the galvanometer. Find the resistance of the revolution.
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