\16\ Electrical devices located within a circuit can only operate when the circuit is closed (i.e., the loop is ``continuous'') allowing electrical current to flow from its source, through the device, and back to the source.
(\16\ Electrical devices; located; L:within a circuit) (\16\ Electrical devices located within a circuit; can only operate; T:when the circuit is closed) (the circuit; is closed; )
\16\ Electrical devices \16\ Electrical devices located within a circuit the circuit
located can only operate is closed
L:within a circuit
T:when the circuit is closed