Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?

Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?

Q. Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?

A.            Low cost

B.            Wide speed range

C.            Stability

D.            High starting torque.

Answer: Low cost

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