If a DC series motor is made to run on AC supply. It will

If a DC series motor is made to run on AC supply. It will

Q. If a DC series motor is made to run on AC supply. It will

A.            Have no effect on efficiency

B.            Spark in excess but will not affect the efficiency

C.            Spark excessively and have poor efficiency

D.            Have poor efficiency

Answer: Excessively and have poor efficiency

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