The figure shows a plastic ring of radius R = 50.0 cm. Two small charged beads are on the ring: Bead 1 of charge +2.20 JC is fixed in place at the left side; bead 2 of charge +6.21 JC can be moved along the ring. The two beads produce a net electric field of magnitude E at the center of the ring. At what (a) positive and (b) negative value of angle @ should bead 2 be positioned such that E = 2.28 x. 105 N/C? Ring Bead 2 R/ Bead 1 (a) Number 1.35 Units . (degrees) (b) Number i -1.35 Units . (degrees)