Reply To: module 3 unit 1 Home › Ask the Teacher Forums › Advanced Schematics and Troubleshooting › module 3 unit 1 › Reply To: module 3 unit 1 November 10, 2017 at 7:08 pm #11521 Susan BrownKeymaster Right, closed contacts should act just like a wire, which won’t have a voltage drop. If the contacts are open, would you measure some voltage? If so, would it be voltage drop?
