Recent content by luca54

Thanks very much for the answer!

Thanks very much!

Ah thanks a lot! Yes, I've posted the question also there, but it hasn't been directly answered, and my doubts are still there :confused::frown:

Hi everyone! I ask some help in understanding better the concept of voltage. The voltage is a difference in electric potential between two points ##a## and ##b##. It is defined as However, I'm a bit confused with the use of notation: - Is ##V_{ab}## the same as ##\Delta{V}##, or rather...