When the two electrodes are connected to an external circuit such as a light bulb, or any other such "load", the circuit is completed and an electric current is generated.
(the two electrodes; are connected; ) (the circuit; is completed; T:When the two electrodes are connected to an external circuit such as a light bulb, or any other such "load) (an electric current; is generated; )
the two electrodes the circuit an electric current
are connected is completed is generated
T:When the two electrodes are connected to an external circuit such as a light bulb, or any other such "load