An infinite cylinder of radius R has a charge density given by p(r) = ar³, where r is the perpendicular distance from the axis of the cylinder, and a is a constant. Show that the electric field for r > R given by aR E(r) = 7€or is the same as that obtained if all the charge is concentrated in an infinitely thin wire.
An infinite cylinder of radius R has a charge density given by p(r) = ar³, where r is the perpendicular distance from the axis of the cylinder, and a is a constant. Show that the electric field for r > R given by aR E(r) = 7€or is the same as that obtained if all the charge is concentrated in an infinitely thin wire.
Chapter6: Gauss's Law
Section: Chapter Questions
Problem 59P: The volume charge density of a spherical charge distribution is given by p(r)=p0ear , where p0 , and...
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![An infinite cylinder of radius R has a charge density given by
p(r) = ar³,
where r is the perpendicular distance from the axis of the cylinder, and a is a constant.
Show that the electric field for r > R given by
aRT
E(r) :
7€or
is the same as that obtained if all the charge is concentrated in an infinitely thin wire.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F203b8a04-5bd7-4d5b-9527-f6f6e9bc1046%2Fac920f5d-63a5-4ed3-8a1c-b4f64d13bbe3%2Fjdslly_processed.png&w=3840&q=75)
Transcribed Image Text:An infinite cylinder of radius R has a charge density given by
p(r) = ar³,
where r is the perpendicular distance from the axis of the cylinder, and a is a constant.
Show that the electric field for r > R given by
aRT
E(r) :
7€or
is the same as that obtained if all the charge is concentrated in an infinitely thin wire.
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