What does a continuity test determine?

A continuity test is primarily used to determine whether an electrical circuit is continuous, meaning that it is complete or closed. This is essential for ensuring that electricity can flow through the circuit without interruption. If there is a break in the circuit, it will not conduct electricity, and the continuity test will indicate that the circuit is open.

In the context of this test, it does not measure electrical resistance directly, as resistance pertains to the opposition to current flow rather than the flow itself. While it may provide indirect insights into resistance when testing specific components, its main focus is on the connectivity of the circuit.

Additionally, a continuity test does not assess the voltage drop across a circuit; that would typically require a voltmeter or similar device, as voltage drop is related to the potential difference in a circuit under load. Likewise, it does not measure current flow, particularly in cases where fuses or circuit protection devices are involved. Such measurements require an ammeter or specific circuit testing methods rather than a straightforward continuity test.

Thus, the primary purpose and accuracy of the continuity test lie in confirming the integrity of the circuit, making the ability to establish whether a circuit is complete or closed the correct interpretation of what a continuity test determines.