Solution to task 470 from Chertov´s for extramural stud

Solution to task 470 from Chertov´s for extramural stud

470. A ring of copper wire with a mass of m = 10 g is placed in a uniform magnetic field (B = 0.5 T) so that the plane of the ring makes an angle β = 60 ° with the lines of magnetic induction. Determine the charge Q, which will pass along the ring, if you remove the magnetic field.