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What statement is true concerning speed control of a shunt wound DC motor?
A) For armature rheostat control, the greater the resistance the lower the motor speed. For field rheostat control, the greater the resistance the lower the motor speed.
B) For armature rheostat control, the greater the resistance the higher the motor speed. For field rheostat control, the greater the resistance the higher the motor speed.
C) For armature rheostat control, the greater the resistance the lower the motor speed. For field rheostat control, the greater the resistance the higher the motor speed.
D) For armature rheostat control, the greater the resistance the higher the motor speed. For field rheostat control, the greater the resistance the lower the motor speed.
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