Closed Switch vs Open Switch - Making Sense of Circuits
If you've ever flicked a light on and wondered what's happening behind the wall, you're looking at the basic logic of a closed switch vs open switch. It's one of those fundamental concepts that sounds a bit backward when you first hear it, especially because we use the words "open" and "closed" differently in everyday life. If a door is open, you can walk through it; if a circuit is "open," absolutely nothing is moving. ...