The following question is based on information obtained from the Wildi Textbook, Chapter 6

There is a direct correlation to the service life of an electric motor and the ambient temperature of the environment its is operating.

For every increase of 10° C, the service life of the motor is cut down by?

the following question is based on information obtained from Chapter 6 of the Wildi textbook.

How is the rated power of an electric motor established? What value did manufacturers use to establish the Horsepower rating of a particular electric motor?

Energy efficiency is a high priority in today's marketplace.

Which type of dc motor would be considered the most efficient, a motor that has separately excited field poles or one that uses permanent magnets to produce a magnetic field for the pole pieces.

Enter your answer in the field provided below, your choice is limited to the two following terms.

Permanent magnets or

Electromagnets