If an additional resistance is connected in series with a dc series motor operating at rated speed, the speed of the motor will
A. reduce.
B. increase.
C. remain unaltered.
D. oscillate around the normal speed.
Answer:A
If an additional resistance is connected in series with a dc series motor operating at rated speed, the speed of the motor will
A. reduce. B. increase. C. remain unaltered. D. oscillate around the normal speed.