Author Question: Root-mean square (RMS) is a mathematical formula for: A) Determining the price of a replacement ... (Read 48 times)

khang · **on:** Jul 24, 2018

Root-mean square (RMS) is a mathematical formula for:

A) Determining the price of a replacement compressor.
B) Calculating the electrical power passing through a alternating current circuit.
C) Measuring the pressure drop across an air filter.
D) Determining the physical resistance of an AC motor.

Question 2

When choosing an electric meter, it is important to use the proper category rating:

A) For the meter.
B) For either the meter or the leadsneither is necessary.
C) For the meter leads.
D) For both the meter and the leads.