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- An aluminum spherical ball of radius 4 cm is charged with 5C of charge. A copper spherical shell of inner radius 6 cm and outer radius 8 cm surrounds it. A total charge of 8C is put on the copper shell. (a) Find the electric field at all points in space, including points inside the aluminum and copper shell when copper shell and aluminum sphere are concentric. (b) Find the electric field at all points in space, including points inside the aluminum and copper shell when the centers of copper shell and aluminum sphere are 1 cm apart.Two positive point charges of modulo q are separated from a negative charge of modulo 2q by a distance d and the three are arranged along a straight line. b) Find the behavior of the field obtained for distances much greater than the distance d separating the positive and negative charges.-->> R In the figure we see a rod of length LA = 22 cm carries a charge QA = 22 nC and a circular arc of radius RB = 13 cm caries a charge QB = 49 nC. The center of the rod is at y = 4 cm from the origin. a) Find the charge density for both the rod and the arc. charge density of the rod Give your answer up to at least three significance digits. C/m charge density of the arc Give your answer up to at least three significance digits. Activa C/m Go to S
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