What type of test can be performed to check the continuity of an electrical circuit?

Continuity testing is specifically designed to determine whether an electrical circuit is complete and capable of conducting electricity. This test can confirm if there is a continuous path for electrical current to flow, which is essential for the proper operation of electrical devices and systems. By using a continuity tester or a multimeter set to the continuity setting, the tester sends a small electrical current through the circuit. If the circuit is complete, the tester will indicate continuity, usually through a sound or light signal.

The other types of tests mentioned serve different purposes. Ohm's law testing involves calculating resistance, voltage, and current to verify proper functioning and does not directly measure continuity. Insulation resistance testing evaluates the integrity of the insulation material to ensure that it can effectively prevent current leakage, rather than determining whether a circuit is complete. Voltage testing measures the electrical potential difference across components in a circuit, but it does not confirm whether the circuit is intact. Thus, continuity testing is clearly the appropriate method for verifying that an electrical circuit is unbroken and functional.