(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

See figure attached.

2. Relevant equations

3. The attempt at a solution

See figure attached for my attempt.

I'm confused as to how I am supposed to use these 3 electric fields, E1, E2 and E3, as well as the potential of the middle shell, V = 1kV (with reference point at infinity), to calculate the charge on the middle shell, [tex]q_{mid}[/tex]

I know I should be doing some integration over the electric fields in order to get the potential, but it's not obvious to me what path I should take to only have the potential of the middle shell.

The solution gives it as from c to d, and then from e to infinity.

Why so?

Can someone clarify? Is the picture I drew incorrect?

Thanks again!

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# Homework Help: Three concentric shells, one uncharged (Potential)

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