Which of the following statements is correct regarding a 3-phase motor?

Which of the following statements is correct regarding a 3-phase motor ?

A. Its magnetic flux alternates at the supply frequency
B. It is cheap, robust and needs no skilled maintenance
C. Stator is externally connected rotor
D. Three-phase supply is usually connected to its rotor

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.