22.15 (a) A conducting sphere has charge Q andradius R. If the electric field of the sphere at adistance r = 2R from the center of the sphere is1400N/C, what is the electric field of the sphereat r = 4R? (b) A very long conducting cylinder ofradius R has charge per unit length I. Let r be theperpendicular distance from the axis of thecylinder. If the electric field of the cylinder at r =2R is 1400N/C, what is its electric field at r = 4R?(c) A very large uniform sheet has a surfacecharge density s. If the electric field of the sheethas a value of 1400N/C at a perpendiculardistance d from the sheet, what is the electricfield of the sheet at a distance 2d from thesheet?

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Answered: 22.15 (a) A conducting sphere has…

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