Task id16274
A rectangular circuit ABCD with sides a and b is in a uniform magnetic field with induction B and can rotate around the axis OO (Fig. a). A direct current flows through the circuit. Determine the work done by the magnetic field when rotating the contour by 180°, if at first the plane of the contour was perpendicular to the magnetic field and located as shown in the figure.
Detailed solution. Format gif
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