Skip to main content

T6D02:What is a relay?

T6D02T6D

What is a relay?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T6D02 is An electrically-controlled switch.

The key fact is An electrically-controlled switch. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

← T6D01T6D03 →

More questions in T6D

T6D01Which of the following devices or circuits changes an alternating current into a varying direct current signal?T6D03Which of the following is a reason to use shielded wire?T6D04Which of the following displays an electrical quantity as a numeric value?T6D05What type of circuit controls the amount of voltage from a power supply?T6D06What component changes 120 V AC power to a lower AC voltage for other uses?T6D07Which of the following is commonly used as a visual indicator?