Author Question: Technician A says that some DC motors use brushes. Technician B says that an AC synchronous motor ... (Read 118 times)

vicky · **on:** Jun 23, 2018

Technician A says that some DC motors use brushes. Technician B says that an AC synchronous motor uses a permanent magnet rotor. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Metric wire size is measured in units of ________.

A) Cubic centimeters B) Meters C) Square millimeters D) Cubic millimeters