I'm having some issues understanding how series connections work based on an experiment I did at school.
I took two lamps, and then connected them in series so the power initially goes to the first then the second. My book tells me that in series connection, the current stays constant throughout the system, which is also what I measured (1,86A), and the voltage potential should split between the two lamps, which I could also see (6,55V + 5,16V almost equals the total potential of the system at 11,86).
This I could also see, as one of the lamps (the one closest to + on my power supply) were shining much brighter than the other one. What I don't understand is, given how the resistance of the lamps are the same, how does this make sense?
According to Ohm's Law, U=I*R, this doesn't make sense. Given both a constant I and the same R across each lamp, U should really stay the same too?