Academician E.Kh.Lenz, in his work "On the determination of the direction of induced currents", in which he first formulated the well-known law bearing his name, described a number of his own experiments. In particular, he considered the case in which a circular conductor has a current induced in it during its rotation through 90° about a diameter of another circular conductor through which current was flowing (Fig.). Determine the direction of the current in the moving conductor A if it moved from a position perpendicular to the plane of B to a position in the plane of B in the direction indicated by the arrow.
