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

Find the potential difference of point b relative to point a.

2. Relevant equations

3. The attempt at a solution

I found out that E1 = 18V and E2 = 7V but I don't know where to go from there.

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# Homework Help: Find the potential difference of point b relative to point a

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