Cells in Series (Assisting) (E_eq = sum E; r_eq = sum r (series aiding))
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E_eq = sum E; r_eq = sum r (series aiding)
What each symbol means
| Symbol | What it stands for |
|---|---|
| E_i | Individual EMFs (V) |
| r_i | Individual internal resistances (Ω) |
| E_{\mathrm{eq}} | Net EMF (V) |
| r_{\mathrm{eq}} | Net internal resistance (Ω) |
When to use this
Cells connected aiding (positive to negative); identical polarity chain.