In the lab, the students analyzed several series circuits to understand how the current through each component changes.

The engineer tested the new electronic circuits before installing them in the prototype.

The engineer tested several closed circuits to ensure there were no short circuits or unexpected resistance.

After the show, the crew followed the sawdust circuit to find the hidden props behind the curtains.

The engineers inspected the track circuit after reports of intermittent signal failures.

The maintenance team inspected the track circuits after the heavy storm to ensure safe train operations.

The circuit sluggers rounded the bases with a swagger that intimidated every opposing pitcher.

In his journal, a judge recalled serving on the Home Circuit and described the long journeys between assize towns in the southeastern counties.

During the inspection, the technician found several open circuits that were causing the radio to cut in and out.

The technician discovered an open circuit in the lighting panel that prevented the bulbs from turning on.