Q
Why are the D.C. motors preferred for traction applications ?
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A
A. Torque and speed are inversely proportional to armature current
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B
B. Torque is proportional to armature current
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C
C. Torque is proportional to square root of armature current
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D
D. The speed is inversely proportional to the torque and the torque is proportional to square of armature current
Correct Answer:
D. D. The speed is inversely proportional to the torque and the torque is proportional to square of armature current
