What is the net electric field at the center of the metal ball? Enet Negatively charged What is the electric field at the center of the metal ball due only to the charges on the plastic ball? Eplastic = < > N/C Metal A solid metal ball of radius 1.3 cm bearing a charge of -18 nC is located near a hollow plastic ball of radius 2 cm bearing a uniformly distributed charge of -9 nC (see the figure) on its outer surface. The distance between the centers of the balls is 10 cm. Assume the +x axis runs to the right, the +y axis runs up and the +z axis is out. " " charged Plastic > N/C What is the electric field at the center of the metal ball due only to the charges on the surface of the metal ball? Ésurf = < > N/C

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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.