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

Imagine a point A on a piece of conducting material. If r electrons flow to the right of A and l ions flow to the left, what is the current at A?

2. Relevant equations

3. The attempt at a solution

No idea! Please help!

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# Homework Help: Calculation of urrent

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