A very long cylinder of radius 2b with a co-axial cylindrical hole of radius b. (Co-axial means the two cylinders have the same axis.) The charge per volume p is constant in the solid shell b 2b)? lenc = denc = E =

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3. A very long cylinder of radius 2b with a co-axial cylindrical hole of radius b. (Co-axial means the two cylinders have
the same axis.) The charge per volume p is constant in the solid shell b < r < 2b.
a. What is the charge per length enclosed and the electric
field for point P inside the hole (r < b)? Answer in
terms of p, b and/or r.
2b
lenc =
E =
b. What is the charge per length enclosed and electric field for a point P inside the solid region (b <r < 2b)?
lenc =
denc =
E =
С.
What is the charge per length enclosed and electric field for a point P outside the cylinder (r > 2b)?
lenc =
denc
E=
%D
Transcribed Image Text:3. A very long cylinder of radius 2b with a co-axial cylindrical hole of radius b. (Co-axial means the two cylinders have the same axis.) The charge per volume p is constant in the solid shell b < r < 2b. a. What is the charge per length enclosed and the electric field for point P inside the hole (r < b)? Answer in terms of p, b and/or r. 2b lenc = E = b. What is the charge per length enclosed and electric field for a point P inside the solid region (b <r < 2b)? lenc = denc = E = С. What is the charge per length enclosed and electric field for a point P outside the cylinder (r > 2b)? lenc = denc E= %D
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