Three-phase motors are superior to single-phase motors for the following reasons, except:

A. higher efficiency
B. extremely rugged
C. more maintenance
D. smaller and lighter



Answer :

Final answer:

Three-phase motors excel in efficiency, ruggedness, and compactness compared to single-phase motors, but do not necessarily require more maintenance.


Explanation:

Three-phase motors are superior to single-phase motors for several reasons except more maintenance. Three-phase motors are known for their higher efficiency, ruggedness, and being smaller and lighter compared to single-phase motors. While single-phase motors may require more maintenance, three-phase motors excel in various industrial applications due to their reliability and efficiency.


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