Okay I have to show that between points a and b the resistance (ab) is equal to 27/17 ohms.(adsbygoogle = window.adsbygoogle || []).push({});

Here's the diagram:

http://img231.imageshack.us/img231/4614/testln9.jpg [Broken]

The hint was given to determine the emf/I where I is the current through the battery.

I've found different ways of getting 27/17 out of it but I need to be able to explain why.

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# Homework Help: Figuring this circuit out. HELP!

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