Which is not a part of an electric motor?
a. armature
b. brushes
c. commutator
d. slip ring

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

How to calculate voltage drop in a series circuit