Roy Tang

Programmer, engineer, scientist, critic, gamer, dreamer, and kid-at-heart.

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Because you’re making it sound like the current through any particular wire is constant.

Forgive me if I gave that impression, but it’s not (as my last post mentioned “if you measured the current in the wire at that time). The current passing through a wire or being drawn by a device can change, the same way voltages can change or through switching.