Heating, Ventilation, and Air Conditioning (HVAC ) Electrical Practice Test

How many amperes are equivalent to 100 milliamps?

1. 0.01 amperes

2. 0.05 amperes

3. 0.10 amperes

4. 1.0 amperes

The correct answer is: 0.10 amperes

To understand how many amperes are equivalent to 100 milliamps, it is important to know the relationship between milliamps and amps. The prefix "milli-" indicates one-thousandth. Therefore, 100 milliamps can be converted to amperes by recognizing that 1 ampere is equal to 1,000 milliamps. To convert 100 milliamps to amperes: 100 milliamps = 100 / 1,000 = 0.10 amperes. This conversion shows that 100 milliamps is indeed equal to 0.10 amperes, confirming the correctness of the given answer. Understanding this foundational unit conversion is critical in HVAC applications, where accurate electrical measurements are essential for system performance and safety.