> Voltage on the other hand means nothing without current How do you propose you have voltage in a conductive medium (pipe) without current? To me, it's not a

> Voltage on the other hand means nothing without current How do you propose you have voltage in a conductive medium (pipe) without current? To me, it's not a bad analogy (nevermind you that electrons flow the opposite direction of current) - and I am well-versed in physics.