A varying magnetic field exist in space as follows B = Bo cos(kz-ot)] two charge particles qi = 4t V2 coulomb and q2 = 2n coulomb placed at 0.0 (a0) and 0,0, and moving with equal velocities of k 0.5ci then find the ratio of force on two charge at t = 0 sec. is: (1) 2 (2) 4 (3) 6 (4) 8