If an electrical circuit is not complete, what will occur?

When an electrical circuit is not complete, it creates an open circuit situation, meaning there is a break in the pathway through which electricity flows. In this scenario, the flow of electrons is interrupted, and as a result, there is no current in the circuit. Current is the movement of electric charge, and without a complete path (like a closed switch or a continuous wire), the circuit cannot function.

This principle is foundational in understanding how circuits operate. Unlike a complete circuit, where voltage can push electrons continuously, an incomplete circuit simply does not allow for that flow. The other options imply conditions that would occur only in a complete circuit, which can lead to problems such as overheating or surges, but those situations cannot occur if there isn’t a current flowing at all.