Imported post
OK. I get the closed circuit bit and I get the open circuit bit, but, how does a semi-closed work. I've never seen one or even tried to understand one. I would have thought the circuit is either open or closed. Where does the in between bit come from and how does it work?
Peter
OK. I get the closed circuit bit and I get the open circuit bit, but, how does a semi-closed work. I've never seen one or even tried to understand one. I would have thought the circuit is either open or closed. Where does the in between bit come from and how does it work?
Peter