The magnetic needle is placed in the center of a circular coil, the plane of which is vertical and makes an angle φ = 90° with the plane of the magnetic meridian. The radius of the circle is R = 10 cm. Determine the angle through which the magnetic needle will turn if a current of force I = 1.6 A flows through the conductor (give two answers). The horizontal component of the induction of the earth's magnetic field is taken equal to B = 20 µT.
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