0 4 30 In a gravity free space a smooth insulating ring of

Last updated: 6/6/2023

0 4 30 In a gravity free space a smooth insulating ring of radius R with a bead having charge q is placed horizontally in a uniform magnetic field of induction Bo and perpendicular to the plane of ring Starting from t 0 the magnetic field is varying with time as B t B at where a is a positive constant The contact force between the ring and bead as a function of time is 0 A C aq Rt m aq Rt 4m 2B at Bo at B D aq Rt 4m 2B out 4aq Rt m 2B at