- #1
arkofnoah
- 124
- 1
Homework Statement
http://img19.imageshack.us/img19/7701/screenshot20100808at010.png
Homework Equations
The Attempt at a Solution
Do add up the resistances like this:
[tex]R_{total} = (\frac{1}{R} + \frac{1}{r} + \frac{1}{r})^{-1}[/tex]
or [tex]R_{total} = R + (\frac{1}{r} + \frac{1}{r})^{-1}[/tex]
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