An infinite line charge has constant charge-per-unit-length A. Surrounding the line charge is a cylindrical shell of radius R, and carrying a constant charge-per-unit-area o. Given 2, what must o be in order to get zero electric field for all points outside the cylindrical shell? For that o, what is the electric field in between the line of charge and the shell?

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An infinițe line charge has constant charge-per-unit-length 2. Surrounding the line
charge is a cylindrical shell of radius R, and carrying a constant charge-per-unit-area o.
Given 2, what must o be in order to get zero electric field for all points outside the
cylindrical shell? For that o, what is the electric field in between the line of charge and
the shell?
a = ?
R
Transcribed Image Text:An infinițe line charge has constant charge-per-unit-length 2. Surrounding the line charge is a cylindrical shell of radius R, and carrying a constant charge-per-unit-area o. Given 2, what must o be in order to get zero electric field for all points outside the cylindrical shell? For that o, what is the electric field in between the line of charge and the shell? a = ? R
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