A thin uniform ring of mass m and electric charge Q

Last updated: 6/26/2023

A thin uniform ring of mass m and electric charge Q uniformly distributed rotates around an axis perpendicular to its plane and going through its center The angular momentum of the ring is 7 5 x 10 4 kg m s The ring is in a homogeneous magnetic field of a field strength of 0 1 T and the lines of the magnetic induction are parallel with the plane of the ring Torque exerted on the ring is The specific charge charge mass ratio of the ring is Q m 10 5 C kg 3 75 10 10 3 75 10 10 N m upward along the plane N m downward along the plane O 7 5 x 10 10 N m upward along the plane none of these m B