A smooth insulating ring of radius R with a bead of mass m

Last updated: 6/25/2023

A smooth insulating ring of radius R with a bead of mass m and charge q is placed horizontally and in a uniform magnetic field of strength Bo and perpendicular to the ring plane Starting from t 0 the magnetic field is changed to B t Bo at where a is a positive constant t is time Neglect gravity The velocity of bead as function of time t qR E at X to X R Ring B X X X m q X Bead