I made a simple circuit using this:
It can tell you the voltage and current along a wire if you mouse over it. The wire down the bottom reads 4.55mA and 0V (the little yellow dots actually move to show current, and the green colouring is voltage).
I don’t get how that can be. If there is no voltage how can anything possibly be moving? And if nothing can move, that implies no current. Where does 4.55mA come from? If I remove the 1k resistor, it goes up to 50mA and still 0V. It doesn’t make sense to me.
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