The figure shows a plastic ring of radius R - 50.0 cm. Two small charged beads are on the ring: Bead 1 of charge +2.00 μC is fixed in place at the left side; bead 2 of charge +6.01 μC 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-2.10 x 105 N/C? (a) Number (b) Number 80.08 80.08 Ring- Bead 1 Units R (degrees) Units (degrees) Bead 2

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.