18. A uniform volume charge density of 10 C/m³ is present in the spherical shell 0.9 1 m that is identical to the field that would be produced by a point charge Qe at the origin. Find E in spherical coordinates for r>im.

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18. A uniform volume charge density of 10 C/m³ is present in the spherical shell
0.9 <r<1 m, and p = 0 elsewhere. (a) Find Q the total charge present. (b) In the
next chapter we will see that, this symmetrical charge distribution in free space produces
an electric field for r>1 m that is identical to the field that would be produced by a
point charge Qt at the origin. Find E in spherical coordinates for r> 1 m.
Transcribed Image Text:18. A uniform volume charge density of 10 C/m³ is present in the spherical shell 0.9 <r<1 m, and p = 0 elsewhere. (a) Find Q the total charge present. (b) In the next chapter we will see that, this symmetrical charge distribution in free space produces an electric field for r>1 m that is identical to the field that would be produced by a point charge Qt at the origin. Find E in spherical coordinates for r> 1 m.
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