A switch turns the circuit on or off by completing or breaking the circuit loop. Turning the switch on completes the circuit. Energy can flow and the lamp lights up. When the switch is tuned off ...

It’s useful to be able to turn an electrical circuit on or off by completing the loop or breaking the loop. We can do this by using a switch. A doorbell is a switch that completes a circuit when ...

The new direct feedback loop, however, in response to the same ... never eliciting action potentials. This newfound circuit activity instead sends small depolarizing potentials from the HC to ...