JJack - no,

No, you are not a pain. I have posted on this site and made mistakes. Takes a fresh look at it to discover them.

I was thinking of posting exactly what you did (the ohm's law "circle").

Steve H (as we have two Steves posting on this thread)

JJackstone,

I've never seen that Ohm's law wheel before, so I stand corrected. No worries dude, you're not a pain. That's why I love this site. People are willing to share knowledge.

Take care

Glad to be of help.