### Explain physically why the sizes take the order they do

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##### Reference no: EM13885748

Fields at the surfaces **

Consider the electric field at a point on the surface of (a) a sphere with radius R, (b) a cylinder with radius R whose length is infinite, and (c) a slab with thickness 2R whose other two dimensions are infinite. All of the objects have the same volume charge density ρ. Compare the fields in the three cases, and explain physically why the sizes take the order they do.

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