What does a closed-circuit test measure?

What does a closed-circuit test measure?

• A. The potential millivoltage produced by the thermocouple when it is not under load
• B. The potential millivoltage that can be maintained under a load when powering a coil
• C. The open-circuit millivolt reading
• D. The drop-out millivolt level where the valve closes

Answer: (B)