If when a circuit is working properly, a charge in motion runs through that circuit, then when a charge in motion runs through a circuit that signals that:?

Answer choices:
- prevent heat loss
 - the charge is malfunctioning
 - depress neuronal excitability
 - heat is produced
 - the charge is working properly
 - water is generated
 - electron transport
 - the charge is turned off

 

     the charge is working properly     