Question

Figure 23-51 shows a spherical shell with uniform volume charge density ρ = 1.76 nC/m³, inner radius a = 11.0 cm, and outer radius b = 2.10a.

Figure 23-51

What is the magnitude of the electric field at the following radial distances:

(a) r = 0:
0 N/C
(b) r = a/2.00:
0 N/C
(c) r = a:
0 N/C
(d) r = 1.50a:
______ N/C
(e) r = b:
______ N/C
(f) r = 3.00b:
_______N/C

Answer 1

Solution,

D)

Electric field, E = (p/3 e0)((r^3 - a^3)/r^2)

E = 7.70 N/C

E)

Electric field, E = (p/3 e0) ((b^3 - a^3)/r^2)

E = 13.66 N/C

F)

Electric field, E = (p/ 3 e0) ((b^3 - a^3)/(3b)^2)

E = 1.52 N/C

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