6. A solid, non-conducting sphere of radius R and relative permittivity e, = 4, is located at the origin. It carries a spherical but nonuniform volume charge density p(r) = PoV R' (3) with po constant. a) Show that the total charge in the sphere is Qo = T POR³. b) Find the E-field at a point , = xâ outside the sphere ( > R). c) Find E at a point r, = rŷ inside the sphere d) Find the electric potential V just outside the sphere.

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6. A solid, non-conducting sphere of radius R and relative permittivity e, = 4, is located at the origin. It carries a
spherical but nonuniform volume charge density
%3D
p(r) = Po\R'
(3)
with po constant.
a)
Show that the total charge in the sphere is Qo = 7PR³.
b)
Find the E-field at a point īp
xâ outside the sphere (x > R).
c)
Find E at a point ī, = rŷ inside the sphere
d)
Find the electric potential V just outside the sphere.
e)
Qo as before. Does the Ē-field at a point ī, = xâ change? Explain your reasoning carefully.
Suppose we replace the non-conducting sphere by a conducting sphere of radius R carrying charge
Transcribed Image Text:B 6. A solid, non-conducting sphere of radius R and relative permittivity e, = 4, is located at the origin. It carries a spherical but nonuniform volume charge density %3D p(r) = Po\R' (3) with po constant. a) Show that the total charge in the sphere is Qo = 7PR³. b) Find the E-field at a point īp xâ outside the sphere (x > R). c) Find E at a point ī, = rŷ inside the sphere d) Find the electric potential V just outside the sphere. e) Qo as before. Does the Ē-field at a point ī, = xâ change? Explain your reasoning carefully. Suppose we replace the non-conducting sphere by a conducting sphere of radius R carrying charge
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