you could probably do it that way, but we need to do it via mesh/loop analysis

The answer in the book said 4 volts. Not 3.6v

I'm not sure which one you're talking about now, but when I blew through and calculated using 120V I got 39.6, which with a 12V source ends up being 3.96 or very close to four volts.

It's been close to 40 years since I took EE classes and even longer since basic electricity and basic electronics. For the life of me I don't remember a "mesh" equation. At my age, however, there are some days I feel lucky to remember how to find my way to the refrigerator.

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