Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current ...

In a series circuit, the current passes from the power source to the first light, then the next, then the next, and so on, until it returns to the power source and completes the circuit.

If one light breaks, the others continue to work. If the lights were wired in series instead, all the lights would go out if one breaks. In a parallel circuit, measurements of the current at ...